week-4/week-4-1-supervised-learning-class.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Class 4-1: Supervised learning"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "from sklearn import tree\n",
    "import matplotlib.pyplot as plt\n",
    "from pandas.plotting import scatter_matrix\n",
    "from sklearn.model_selection import train_test_split\n",
    "from sklearn import metrics\n",
    "%matplotlib inline\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Today we're going to look at GSS data asking people whether the government is spending too much or too little on various problems. We're going to try to predict one of the answers from all of the others.\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Exploring the data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(2869, 21)"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# load it\n",
    "gss = pd.read_csv('GSS-spending.csv')\n",
    "gss.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "    .dataframe thead th {\n",
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       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Gss year for this respondent</th>\n",
       "      <th>Welfare</th>\n",
       "      <th>Highways and bridges</th>\n",
       "      <th>Social security</th>\n",
       "      <th>Mass transportation</th>\n",
       "      <th>Parks and recreation</th>\n",
       "      <th>Assistance for childcare</th>\n",
       "      <th>Supporting scientific research</th>\n",
       "      <th>Developing alternative energy sources</th>\n",
       "      <th>Foreign aid</th>\n",
       "      <th>...</th>\n",
       "      <th>Improving the conditions of blacks</th>\n",
       "      <th>Respondent id number</th>\n",
       "      <th>Space exploration program</th>\n",
       "      <th>Improving &amp; protecting environment</th>\n",
       "      <th>Improving &amp; protecting nations health</th>\n",
       "      <th>Solving problems of big cities</th>\n",
       "      <th>Halting rising crime rate</th>\n",
       "      <th>Dealing with drug addiction</th>\n",
       "      <th>Improving nations education system</th>\n",
       "      <th>Ballot used for interview</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>2016</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too much</td>\n",
       "      <td>Too little</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>...</td>\n",
       "      <td>Too little</td>\n",
       "      <td>1.0</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>About right</td>\n",
       "      <td>Ballot a</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2016</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>...</td>\n",
       "      <td>Too little</td>\n",
       "      <td>2.0</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too much</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Ballot b</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>2016</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>About right</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>...</td>\n",
       "      <td>About right</td>\n",
       "      <td>3.0</td>\n",
       "      <td>Too little</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Ballot c</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>2016</td>\n",
       "      <td>Too much</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>...</td>\n",
       "      <td>About right</td>\n",
       "      <td>4.0</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too much</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Ballot a</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>2016</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Too little</td>\n",
       "      <td>About right</td>\n",
       "      <td>Too little</td>\n",
       "      <td>Too much</td>\n",
       "      <td>Don't know</td>\n",
       "      <td>About right</td>\n",
       "      <td>About right</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>...</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>5.0</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Not applicable</td>\n",
       "      <td>Ballot c</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>5 rows × 21 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "  Gss year for this respondent                                Welfare  \\\n",
       "0                                               2016      About right   \n",
       "1                                               2016       Don't know   \n",
       "2                                               2016       Don't know   \n",
       "3                                               2016         Too much   \n",
       "4                                               2016   Not applicable   \n",
       "\n",
       "  Highways and bridges Social security Mass transportation  \\\n",
       "0          About right        Too much          Too little   \n",
       "1           Too little      Don't know          Too little   \n",
       "2           Too little      Too little          Don't know   \n",
       "3          About right      Too little            Too much   \n",
       "4           Too little     About right          Too little   \n",
       "\n",
       "  Parks and recreation Assistance for childcare  \\\n",
       "0          About right              About right   \n",
       "1             Too much               Too little   \n",
       "2          About right               Don't know   \n",
       "3           Too little                 Too much   \n",
       "4             Too much               Don't know   \n",
       "\n",
       "  Supporting scientific research          \\\n",
       "0                            About right   \n",
       "1                             Don't know   \n",
       "2                             Don't know   \n",
       "3                             Too little   \n",
       "4                            About right   \n",
       "\n",
       "  Developing alternative energy sources     Foreign aid  \\\n",
       "0                            Too little        Too much   \n",
       "1                            Too little      Don't know   \n",
       "2                            Too little        Too much   \n",
       "3                            Too little        Too much   \n",
       "4                           About right  Not applicable   \n",
       "\n",
       "             ...            Improving the conditions of blacks  \\\n",
       "0            ...                                    Too little   \n",
       "1            ...                                    Too little   \n",
       "2            ...                                   About right   \n",
       "3            ...                                   About right   \n",
       "4            ...                                Not applicable   \n",
       "\n",
       "  Respondent id number  Space exploration program  \\\n",
       "0                  1.0                 Too little   \n",
       "1                  2.0                 Don't know   \n",
       "2                  3.0                 Too little   \n",
       "3                  4.0                About right   \n",
       "4                  5.0             Not applicable   \n",
       "\n",
       "  Improving & protecting environment Improving & protecting nations health  \\\n",
       "0                         Too little                           About right   \n",
       "1                         Don't know                            Too little   \n",
       "2                        About right                            Too little   \n",
       "3                        About right                              Too much   \n",
       "4                     Not applicable                        Not applicable   \n",
       "\n",
       "  Solving problems of big cities Halting rising crime rate  \\\n",
       "0                    About right                Too little   \n",
       "1                     Don't know                  Too much   \n",
       "2                     Don't know                Too little   \n",
       "3                    About right               About right   \n",
       "4                 Not applicable            Not applicable   \n",
       "\n",
       "  Dealing with drug addiction Improving nations education system  \\\n",
       "0                    Too much                        About right   \n",
       "1                  Too little                         Too little   \n",
       "2                  Too little                         Too little   \n",
       "3                  Too little                         Too little   \n",
       "4              Not applicable                     Not applicable   \n",
       "\n",
       "  Ballot used for interview  \n",
       "0                  Ballot a  \n",
       "1                  Ballot b  \n",
       "2                  Ballot c  \n",
       "3                  Ballot a  \n",
       "4                  Ballot c  \n",
       "\n",
       "[5 rows x 21 columns]"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# take a look\n",
    "gss.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Not applicable                                                                    1430\n",
       "Too much                                                                           592\n",
       "About right                                                                        477\n",
       "Too little                                                                         316\n",
       "Don't know                                                                          47\n",
       "No answer                                                                            5\n",
       "Data collection: General Social Survey\\rCase Selection: (Combined.year = 2016)       1\n",
       "Name: Welfare, dtype: int64"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "gss['Welfare'].value_counts()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
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      "text/plain": [
       "   Welfare  Highways and bridges  Social security  Mass transportation  \\\n",
       "0      0.0                   0.0              1.0                 -1.0   \n",
       "1      NaN                  -1.0              NaN                 -1.0   \n",
       "2      NaN                  -1.0             -1.0                  NaN   \n",
       "3      1.0                   0.0             -1.0                  1.0   \n",
       "4      NaN                  -1.0              0.0                 -1.0   \n",
       "\n",
       "   Parks and recreation  Assistance for childcare  \\\n",
       "0                   0.0                       0.0   \n",
       "1                   1.0                      -1.0   \n",
       "2                   0.0                       NaN   \n",
       "3                  -1.0                       1.0   \n",
       "4                   1.0                       NaN   \n",
       "\n",
       "   Supporting scientific research          \\\n",
       "0                                     0.0   \n",
       "1                                     NaN   \n",
       "2                                     NaN   \n",
       "3                                    -1.0   \n",
       "4                                     0.0   \n",
       "\n",
       "   Developing alternative energy sources  Foreign aid  \\\n",
       "0                                   -1.0          1.0   \n",
       "1                                   -1.0          NaN   \n",
       "2                                   -1.0          1.0   \n",
       "3                                   -1.0          1.0   \n",
       "4                                    0.0          NaN   \n",
       "\n",
       "   Military, armaments, and defense  Improving the conditions of blacks  \\\n",
       "0                               1.0                                -1.0   \n",
       "1                               1.0                                -1.0   \n",
       "2                               NaN                                 0.0   \n",
       "3                              -1.0                                 0.0   \n",
       "4                               NaN                                 NaN   \n",
       "\n",
       "   Space exploration program  Improving & protecting environment  \\\n",
       "0                       -1.0                                -1.0   \n",
       "1                        NaN                                 NaN   \n",
       "2                       -1.0                                 0.0   \n",
       "3                        0.0                                 0.0   \n",
       "4                        NaN                                 NaN   \n",
       "\n",
       "   Improving & protecting nations health  Solving problems of big cities  \\\n",
       "0                                    0.0                             0.0   \n",
       "1                                   -1.0                             NaN   \n",
       "2                                   -1.0                             NaN   \n",
       "3                                    1.0                             0.0   \n",
       "4                                    NaN                             NaN   \n",
       "\n",
       "   Halting rising crime rate  Dealing with drug addiction  \\\n",
       "0                       -1.0                          1.0   \n",
       "1                        1.0                         -1.0   \n",
       "2                       -1.0                         -1.0   \n",
       "3                        0.0                         -1.0   \n",
       "4                        NaN                          NaN   \n",
       "\n",
       "   Improving nations education system  \n",
       "0                                 0.0  \n",
       "1                                -1.0  \n",
       "2                                -1.0  \n",
       "3                                -1.0  \n",
       "4                                 NaN  "
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Our usual GSS cleanup\n",
    "\n",
    "# drop the last two rows, which are just notes and do not contain data\n",
    "gss = gss.iloc[0:-2,:]\n",
    "\n",
    "# Drop some columns that don't contain useful information\n",
    "gss = gss.drop(['Respondent id number',\n",
    "                'Ballot used for interview',\n",
    "                'Gss year for this respondent                       '], axis=1)\n",
    "\n",
    "# recode answers on a -1, 0, 1 scale\n",
    "gss = gss.replace({'Too little':-1, 'About right':0, 'Too much':1})\n",
    "\n",
    "# Everything else gets NA\n",
    "gss = gss.replace({'Not applicable' : None, \n",
    "                   'No answer' : None, \n",
    "                   'Don\\'t know' : None})\n",
    "\n",
    "gss.head()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(966, 18)"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# For a decision tree to work we can't have any missing values. Drop all rows with any NAs\n",
    "gss = gss.dropna(how='any')\n",
    "gss.shape"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The simplest way to see if some variables are going to be predictable from others is to check out the overall correlations."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "<style>\n",
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       "        text-align: right;\n",
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       "\n",
       "    .dataframe thead th {\n",
       "        text-align: left;\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Welfare</th>\n",
       "      <th>Highways and bridges</th>\n",
       "      <th>Social security</th>\n",
       "      <th>Mass transportation</th>\n",
       "      <th>Parks and recreation</th>\n",
       "      <th>Assistance for childcare</th>\n",
       "      <th>Supporting scientific research</th>\n",
       "      <th>Developing alternative energy sources</th>\n",
       "      <th>Foreign aid</th>\n",
       "      <th>Military, armaments, and defense</th>\n",
       "      <th>Improving the conditions of blacks</th>\n",
       "      <th>Space exploration program</th>\n",
       "      <th>Improving &amp; protecting environment</th>\n",
       "      <th>Improving &amp; protecting nations health</th>\n",
       "      <th>Solving problems of big cities</th>\n",
       "      <th>Halting rising crime rate</th>\n",
       "      <th>Dealing with drug addiction</th>\n",
       "      <th>Improving nations education system</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>Welfare</th>\n",
       "      <td>1.000000</td>\n",
       "      <td>-0.006757</td>\n",
       "      <td>0.155278</td>\n",
       "      <td>0.143237</td>\n",
       "      <td>0.070739</td>\n",
       "      <td>0.237646</td>\n",
       "      <td>0.102994</td>\n",
       "      <td>0.193061</td>\n",
       "      <td>0.237805</td>\n",
       "      <td>-0.164178</td>\n",
       "      <td>0.309208</td>\n",
       "      <td>0.061454</td>\n",
       "      <td>0.244432</td>\n",
       "      <td>0.272540</td>\n",
       "      <td>0.156629</td>\n",
       "      <td>0.056746</td>\n",
       "      <td>0.141378</td>\n",
       "      <td>0.183813</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Highways and bridges</th>\n",
       "      <td>-0.006757</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.026872</td>\n",
       "      <td>0.157222</td>\n",
       "      <td>0.093823</td>\n",
       "      <td>0.024875</td>\n",
       "      <td>0.152755</td>\n",
       "      <td>0.123248</td>\n",
       "      <td>-0.102287</td>\n",
       "      <td>0.087240</td>\n",
       "      <td>-0.002551</td>\n",
       "      <td>0.111460</td>\n",
       "      <td>0.004783</td>\n",
       "      <td>0.010164</td>\n",
       "      <td>0.064434</td>\n",
       "      <td>0.037119</td>\n",
       "      <td>0.031147</td>\n",
       "      <td>0.071355</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Social security</th>\n",
       "      <td>0.155278</td>\n",
       "      <td>0.026872</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.035626</td>\n",
       "      <td>0.016017</td>\n",
       "      <td>0.095636</td>\n",
       "      <td>0.046541</td>\n",
       "      <td>0.060742</td>\n",
       "      <td>-0.013267</td>\n",
       "      <td>0.154493</td>\n",
       "      <td>0.077135</td>\n",
       "      <td>-0.063929</td>\n",
       "      <td>0.054638</td>\n",
       "      <td>0.195731</td>\n",
       "      <td>0.127304</td>\n",
       "      <td>0.152562</td>\n",
       "      <td>0.112798</td>\n",
       "      <td>0.165547</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Mass transportation</th>\n",
       "      <td>0.143237</td>\n",
       "      <td>0.157222</td>\n",
       "      <td>0.035626</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.141974</td>\n",
       "      <td>0.162983</td>\n",
       "      <td>0.157084</td>\n",
       "      <td>0.210046</td>\n",
       "      <td>0.099832</td>\n",
       "      <td>-0.036082</td>\n",
       "      <td>0.200415</td>\n",
       "      <td>0.103661</td>\n",
       "      <td>0.186438</td>\n",
       "      <td>0.189207</td>\n",
       "      <td>0.155335</td>\n",
       "      <td>0.038188</td>\n",
       "      <td>0.081053</td>\n",
       "      <td>0.154244</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Parks and recreation</th>\n",
       "      <td>0.070739</td>\n",
       "      <td>0.093823</td>\n",
       "      <td>0.016017</td>\n",
       "      <td>0.141974</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.189808</td>\n",
       "      <td>0.132162</td>\n",
       "      <td>0.140942</td>\n",
       "      <td>0.124536</td>\n",
       "      <td>0.038513</td>\n",
       "      <td>0.086614</td>\n",
       "      <td>0.037409</td>\n",
       "      <td>0.129115</td>\n",
       "      <td>0.055493</td>\n",
       "      <td>0.049727</td>\n",
       "      <td>0.061445</td>\n",
       "      <td>0.118283</td>\n",
       "      <td>0.136432</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Assistance for childcare</th>\n",
       "      <td>0.237646</td>\n",
       "      <td>0.024875</td>\n",
       "      <td>0.095636</td>\n",
       "      <td>0.162983</td>\n",
       "      <td>0.189808</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.139225</td>\n",
       "      <td>0.149228</td>\n",
       "      <td>0.168914</td>\n",
       "      <td>-0.037380</td>\n",
       "      <td>0.332467</td>\n",
       "      <td>0.048239</td>\n",
       "      <td>0.287310</td>\n",
       "      <td>0.238023</td>\n",
       "      <td>0.169320</td>\n",
       "      <td>0.101540</td>\n",
       "      <td>0.232961</td>\n",
       "      <td>0.325700</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Supporting scientific research</th>\n",
       "      <td>0.102994</td>\n",
       "      <td>0.152755</td>\n",
       "      <td>0.046541</td>\n",
       "      <td>0.157084</td>\n",
       "      <td>0.132162</td>\n",
       "      <td>0.139225</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.301037</td>\n",
       "      <td>0.063412</td>\n",
       "      <td>0.022838</td>\n",
       "      <td>0.121517</td>\n",
       "      <td>0.282843</td>\n",
       "      <td>0.200086</td>\n",
       "      <td>0.095339</td>\n",
       "      <td>0.124031</td>\n",
       "      <td>0.022404</td>\n",
       "      <td>0.081014</td>\n",
       "      <td>0.122090</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Developing alternative energy sources</th>\n",
       "      <td>0.193061</td>\n",
       "      <td>0.123248</td>\n",
       "      <td>0.060742</td>\n",
       "      <td>0.210046</td>\n",
       "      <td>0.140942</td>\n",
       "      <td>0.149228</td>\n",
       "      <td>0.301037</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.083901</td>\n",
       "      <td>-0.082246</td>\n",
       "      <td>0.198386</td>\n",
       "      <td>0.157213</td>\n",
       "      <td>0.349311</td>\n",
       "      <td>0.150867</td>\n",
       "      <td>0.217295</td>\n",
       "      <td>0.053943</td>\n",
       "      <td>0.103840</td>\n",
       "      <td>0.257278</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Foreign aid</th>\n",
       "      <td>0.237805</td>\n",
       "      <td>-0.102287</td>\n",
       "      <td>-0.013267</td>\n",
       "      <td>0.099832</td>\n",
       "      <td>0.124536</td>\n",
       "      <td>0.168914</td>\n",
       "      <td>0.063412</td>\n",
       "      <td>0.083901</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>-0.072585</td>\n",
       "      <td>0.171882</td>\n",
       "      <td>0.063627</td>\n",
       "      <td>0.155224</td>\n",
       "      <td>0.101357</td>\n",
       "      <td>0.083383</td>\n",
       "      <td>0.003054</td>\n",
       "      <td>0.133562</td>\n",
       "      <td>0.055645</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Military, armaments, and defense</th>\n",
       "      <td>-0.164178</td>\n",
       "      <td>0.087240</td>\n",
       "      <td>0.154493</td>\n",
       "      <td>-0.036082</td>\n",
       "      <td>0.038513</td>\n",
       "      <td>-0.037380</td>\n",
       "      <td>0.022838</td>\n",
       "      <td>-0.082246</td>\n",
       "      <td>-0.072585</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>-0.124476</td>\n",
       "      <td>-0.015785</td>\n",
       "      <td>-0.178785</td>\n",
       "      <td>-0.053051</td>\n",
       "      <td>0.012601</td>\n",
       "      <td>0.195340</td>\n",
       "      <td>0.047348</td>\n",
       "      <td>-0.015769</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Improving the conditions of blacks</th>\n",
       "      <td>0.309208</td>\n",
       "      <td>-0.002551</td>\n",
       "      <td>0.077135</td>\n",
       "      <td>0.200415</td>\n",
       "      <td>0.086614</td>\n",
       "      <td>0.332467</td>\n",
       "      <td>0.121517</td>\n",
       "      <td>0.198386</td>\n",
       "      <td>0.171882</td>\n",
       "      <td>-0.124476</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.056554</td>\n",
       "      <td>0.322067</td>\n",
       "      <td>0.282352</td>\n",
       "      <td>0.279251</td>\n",
       "      <td>0.167211</td>\n",
       "      <td>0.278622</td>\n",
       "      <td>0.257971</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Space exploration program</th>\n",
       "      <td>0.061454</td>\n",
       "      <td>0.111460</td>\n",
       "      <td>-0.063929</td>\n",
       "      <td>0.103661</td>\n",
       "      <td>0.037409</td>\n",
       "      <td>0.048239</td>\n",
       "      <td>0.282843</td>\n",
       "      <td>0.157213</td>\n",
       "      <td>0.063627</td>\n",
       "      <td>-0.015785</td>\n",
       "      <td>0.056554</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.130394</td>\n",
       "      <td>-0.036070</td>\n",
       "      <td>0.011685</td>\n",
       "      <td>-0.077942</td>\n",
       "      <td>-0.003054</td>\n",
       "      <td>0.000865</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Improving &amp; protecting environment</th>\n",
       "      <td>0.244432</td>\n",
       "      <td>0.004783</td>\n",
       "      <td>0.054638</td>\n",
       "      <td>0.186438</td>\n",
       "      <td>0.129115</td>\n",
       "      <td>0.287310</td>\n",
       "      <td>0.200086</td>\n",
       "      <td>0.349311</td>\n",
       "      <td>0.155224</td>\n",
       "      <td>-0.178785</td>\n",
       "      <td>0.322067</td>\n",
       "      <td>0.130394</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.333838</td>\n",
       "      <td>0.229727</td>\n",
       "      <td>0.089156</td>\n",
       "      <td>0.125008</td>\n",
       "      <td>0.321849</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Improving &amp; protecting nations health</th>\n",
       "      <td>0.272540</td>\n",
       "      <td>0.010164</td>\n",
       "      <td>0.195731</td>\n",
       "      <td>0.189207</td>\n",
       "      <td>0.055493</td>\n",
       "      <td>0.238023</td>\n",
       "      <td>0.095339</td>\n",
       "      <td>0.150867</td>\n",
       "      <td>0.101357</td>\n",
       "      <td>-0.053051</td>\n",
       "      <td>0.282352</td>\n",
       "      <td>-0.036070</td>\n",
       "      <td>0.333838</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.264932</td>\n",
       "      <td>0.206557</td>\n",
       "      <td>0.186145</td>\n",
       "      <td>0.254020</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Solving problems of big cities</th>\n",
       "      <td>0.156629</td>\n",
       "      <td>0.064434</td>\n",
       "      <td>0.127304</td>\n",
       "      <td>0.155335</td>\n",
       "      <td>0.049727</td>\n",
       "      <td>0.169320</td>\n",
       "      <td>0.124031</td>\n",
       "      <td>0.217295</td>\n",
       "      <td>0.083383</td>\n",
       "      <td>0.012601</td>\n",
       "      <td>0.279251</td>\n",
       "      <td>0.011685</td>\n",
       "      <td>0.229727</td>\n",
       "      <td>0.264932</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.266602</td>\n",
       "      <td>0.235904</td>\n",
       "      <td>0.250066</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Halting rising crime rate</th>\n",
       "      <td>0.056746</td>\n",
       "      <td>0.037119</td>\n",
       "      <td>0.152562</td>\n",
       "      <td>0.038188</td>\n",
       "      <td>0.061445</td>\n",
       "      <td>0.101540</td>\n",
       "      <td>0.022404</td>\n",
       "      <td>0.053943</td>\n",
       "      <td>0.003054</td>\n",
       "      <td>0.195340</td>\n",
       "      <td>0.167211</td>\n",
       "      <td>-0.077942</td>\n",
       "      <td>0.089156</td>\n",
       "      <td>0.206557</td>\n",
       "      <td>0.266602</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.275476</td>\n",
       "      <td>0.153454</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Dealing with drug addiction</th>\n",
       "      <td>0.141378</td>\n",
       "      <td>0.031147</td>\n",
       "      <td>0.112798</td>\n",
       "      <td>0.081053</td>\n",
       "      <td>0.118283</td>\n",
       "      <td>0.232961</td>\n",
       "      <td>0.081014</td>\n",
       "      <td>0.103840</td>\n",
       "      <td>0.133562</td>\n",
       "      <td>0.047348</td>\n",
       "      <td>0.278622</td>\n",
       "      <td>-0.003054</td>\n",
       "      <td>0.125008</td>\n",
       "      <td>0.186145</td>\n",
       "      <td>0.235904</td>\n",
       "      <td>0.275476</td>\n",
       "      <td>1.000000</td>\n",
       "      <td>0.202474</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Improving nations education system</th>\n",
       "      <td>0.183813</td>\n",
       "      <td>0.071355</td>\n",
       "      <td>0.165547</td>\n",
       "      <td>0.154244</td>\n",
       "      <td>0.136432</td>\n",
       "      <td>0.325700</td>\n",
       "      <td>0.122090</td>\n",
       "      <td>0.257278</td>\n",
       "      <td>0.055645</td>\n",
       "      <td>-0.015769</td>\n",
       "      <td>0.257971</td>\n",
       "      <td>0.000865</td>\n",
       "      <td>0.321849</td>\n",
       "      <td>0.254020</td>\n",
       "      <td>0.250066</td>\n",
       "      <td>0.153454</td>\n",
       "      <td>0.202474</td>\n",
       "      <td>1.000000</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                         Welfare  Highways and bridges  \\\n",
       "Welfare                                 1.000000             -0.006757   \n",
       "Highways and bridges                   -0.006757              1.000000   \n",
       "Social security                         0.155278              0.026872   \n",
       "Mass transportation                     0.143237              0.157222   \n",
       "Parks and recreation                    0.070739              0.093823   \n",
       "Assistance for childcare                0.237646              0.024875   \n",
       "Supporting scientific research          0.102994              0.152755   \n",
       "Developing alternative energy sources   0.193061              0.123248   \n",
       "Foreign aid                             0.237805             -0.102287   \n",
       "Military, armaments, and defense       -0.164178              0.087240   \n",
       "Improving the conditions of blacks      0.309208             -0.002551   \n",
       "Space exploration program               0.061454              0.111460   \n",
       "Improving & protecting environment      0.244432              0.004783   \n",
       "Improving & protecting nations health   0.272540              0.010164   \n",
       "Solving problems of big cities          0.156629              0.064434   \n",
       "Halting rising crime rate               0.056746              0.037119   \n",
       "Dealing with drug addiction             0.141378              0.031147   \n",
       "Improving nations education system      0.183813              0.071355   \n",
       "\n",
       "                                        Social security  Mass transportation  \\\n",
       "Welfare                                        0.155278             0.143237   \n",
       "Highways and bridges                           0.026872             0.157222   \n",
       "Social security                                1.000000             0.035626   \n",
       "Mass transportation                            0.035626             1.000000   \n",
       "Parks and recreation                           0.016017             0.141974   \n",
       "Assistance for childcare                       0.095636             0.162983   \n",
       "Supporting scientific research                 0.046541             0.157084   \n",
       "Developing alternative energy sources          0.060742             0.210046   \n",
       "Foreign aid                                   -0.013267             0.099832   \n",
       "Military, armaments, and defense               0.154493            -0.036082   \n",
       "Improving the conditions of blacks             0.077135             0.200415   \n",
       "Space exploration program                     -0.063929             0.103661   \n",
       "Improving & protecting environment             0.054638             0.186438   \n",
       "Improving & protecting nations health          0.195731             0.189207   \n",
       "Solving problems of big cities                 0.127304             0.155335   \n",
       "Halting rising crime rate                      0.152562             0.038188   \n",
       "Dealing with drug addiction                    0.112798             0.081053   \n",
       "Improving nations education system             0.165547             0.154244   \n",
       "\n",
       "                                        Parks and recreation  \\\n",
       "Welfare                                             0.070739   \n",
       "Highways and bridges                                0.093823   \n",
       "Social security                                     0.016017   \n",
       "Mass transportation                                 0.141974   \n",
       "Parks and recreation                                1.000000   \n",
       "Assistance for childcare                            0.189808   \n",
       "Supporting scientific research                      0.132162   \n",
       "Developing alternative energy sources               0.140942   \n",
       "Foreign aid                                         0.124536   \n",
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       "\n",
       "                                        Assistance for childcare  \\\n",
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       "\n",
       "                                        Supporting scientific research          \\\n",
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       "\n",
       "                                        Developing alternative energy sources  \\\n",
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       "\n",
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       "\n",
       "                                        Military, armaments, and defense  \\\n",
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       "\n",
       "                                        Improving the conditions of blacks  \\\n",
       "Welfare                                                           0.309208   \n",
       "Highways and bridges                                             -0.002551   \n",
       "Social security                                                   0.077135   \n",
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       "Improving nations education system                                0.257971   \n",
       "\n",
       "                                        Space exploration program  \\\n",
       "Welfare                                                  0.061454   \n",
       "Highways and bridges                                     0.111460   \n",
       "Social security                                         -0.063929   \n",
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       "Space exploration program                                1.000000   \n",
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       "Solving problems of big cities                           0.011685   \n",
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       "Dealing with drug addiction                             -0.003054   \n",
       "Improving nations education system                       0.000865   \n",
       "\n",
       "                                        Improving & protecting environment  \\\n",
       "Welfare                                                           0.244432   \n",
       "Highways and bridges                                              0.004783   \n",
       "Social security                                                   0.054638   \n",
       "Mass transportation                                               0.186438   \n",
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       "Improving the conditions of blacks                                0.322067   \n",
       "Space exploration program                                         0.130394   \n",
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       "Improving nations education system                                0.321849   \n",
       "\n",
       "                                        Improving & protecting nations health  \\\n",
       "Welfare                                                              0.272540   \n",
       "Highways and bridges                                                 0.010164   \n",
       "Social security                                                      0.195731   \n",
       "Mass transportation                                                  0.189207   \n",
       "Parks and recreation                                                 0.055493   \n",
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       "Foreign aid                                                          0.101357   \n",
       "Military, armaments, and defense                                    -0.053051   \n",
       "Improving the conditions of blacks                                   0.282352   \n",
       "Space exploration program                                           -0.036070   \n",
       "Improving & protecting environment                                   0.333838   \n",
       "Improving & protecting nations health                                1.000000   \n",
       "Solving problems of big cities                                       0.264932   \n",
       "Halting rising crime rate                                            0.206557   \n",
       "Dealing with drug addiction                                          0.186145   \n",
       "Improving nations education system                                   0.254020   \n",
       "\n",
       "                                        Solving problems of big cities  \\\n",
       "Welfare                                                       0.156629   \n",
       "Highways and bridges                                          0.064434   \n",
       "Social security                                               0.127304   \n",
       "Mass transportation                                           0.155335   \n",
       "Parks and recreation                                          0.049727   \n",
       "Assistance for childcare                                      0.169320   \n",
       "Supporting scientific research                                0.124031   \n",
       "Developing alternative energy sources                         0.217295   \n",
       "Foreign aid                                                   0.083383   \n",
       "Military, armaments, and defense                              0.012601   \n",
       "Improving the conditions of blacks                            0.279251   \n",
       "Space exploration program                                     0.011685   \n",
       "Improving & protecting environment                            0.229727   \n",
       "Improving & protecting nations health                         0.264932   \n",
       "Solving problems of big cities                                1.000000   \n",
       "Halting rising crime rate                                     0.266602   \n",
       "Dealing with drug addiction                                   0.235904   \n",
       "Improving nations education system                            0.250066   \n",
       "\n",
       "                                        Halting rising crime rate  \\\n",
       "Welfare                                                  0.056746   \n",
       "Highways and bridges                                     0.037119   \n",
       "Social security                                          0.152562   \n",
       "Mass transportation                                      0.038188   \n",
       "Parks and recreation                                     0.061445   \n",
       "Assistance for childcare                                 0.101540   \n",
       "Supporting scientific research                           0.022404   \n",
       "Developing alternative energy sources                    0.053943   \n",
       "Foreign aid                                              0.003054   \n",
       "Military, armaments, and defense                         0.195340   \n",
       "Improving the conditions of blacks                       0.167211   \n",
       "Space exploration program                               -0.077942   \n",
       "Improving & protecting environment                       0.089156   \n",
       "Improving & protecting nations health                    0.206557   \n",
       "Solving problems of big cities                           0.266602   \n",
       "Halting rising crime rate                                1.000000   \n",
       "Dealing with drug addiction                              0.275476   \n",
       "Improving nations education system                       0.153454   \n",
       "\n",
       "                                        Dealing with drug addiction  \\\n",
       "Welfare                                                    0.141378   \n",
       "Highways and bridges                                       0.031147   \n",
       "Social security                                            0.112798   \n",
       "Mass transportation                                        0.081053   \n",
       "Parks and recreation                                       0.118283   \n",
       "Assistance for childcare                                   0.232961   \n",
       "Supporting scientific research                             0.081014   \n",
       "Developing alternative energy sources                      0.103840   \n",
       "Foreign aid                                                0.133562   \n",
       "Military, armaments, and defense                           0.047348   \n",
       "Improving the conditions of blacks                         0.278622   \n",
       "Space exploration program                                 -0.003054   \n",
       "Improving & protecting environment                         0.125008   \n",
       "Improving & protecting nations health                      0.186145   \n",
       "Solving problems of big cities                             0.235904   \n",
       "Halting rising crime rate                                  0.275476   \n",
       "Dealing with drug addiction                                1.000000   \n",
       "Improving nations education system                         0.202474   \n",
       "\n",
       "                                        Improving nations education system  \n",
       "Welfare                                                           0.183813  \n",
       "Highways and bridges                                              0.071355  \n",
       "Social security                                                   0.165547  \n",
       "Mass transportation                                               0.154244  \n",
       "Parks and recreation                                              0.136432  \n",
       "Assistance for childcare                                          0.325700  \n",
       "Supporting scientific research                                    0.122090  \n",
       "Developing alternative energy sources                             0.257278  \n",
       "Foreign aid                                                       0.055645  \n",
       "Military, armaments, and defense                                 -0.015769  \n",
       "Improving the conditions of blacks                                0.257971  \n",
       "Space exploration program                                         0.000865  \n",
       "Improving & protecting environment                                0.321849  \n",
       "Improving & protecting nations health                             0.254020  \n",
       "Solving problems of big cities                                    0.250066  \n",
       "Halting rising crime rate                                         0.153454  \n",
       "Dealing with drug addiction                                       0.202474  \n",
       "Improving nations education system                                1.000000  "
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "gss.corr()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Building a decision-tree\n",
    "\n",
    "We're going to use a machine learning technique called a decision tree to try to predict the answer on one question from the answers on all the others. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "-1.0    573\n",
       " 0.0    339\n",
       " 1.0     54\n",
       "Name: Social security, dtype: int64"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# By changing this line and re-running the workbook, we can see how predictiable different variables are or aren't.\n",
    "predict_col = 'Social security'\n",
    "gss[predict_col].value_counts()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Actually applying the decision tree is very much like doing a regresion."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "DecisionTreeClassifier(class_weight=None, criterion='gini', max_depth=None,\n",
       "            max_features=None, max_leaf_nodes=None,\n",
       "            min_impurity_decrease=0.0, min_impurity_split=None,\n",
       "            min_samples_leaf=1, min_samples_split=2,\n",
       "            min_weight_fraction_leaf=0.0, presort=False, random_state=None,\n",
       "            splitter='best')"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Fit a decision tree to the test data\n",
    "x = gss.drop(predict_col, axis=1).values\n",
    "y = gss[[predict_col]].values\n",
    "\n",
    "dt = tree.DecisionTreeClassifier()\n",
    "dt.fit(x,y)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Ok, now we need to evaluate the result, by seeing how well it can predict our question from all the others. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([ 1., -1., -1.,  0., -1.,  0.,  0., -1., -1., -1.])"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Get the predictions\n",
    "y_pred = dt.predict(x)\n",
    "y_pred[:10]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.99689440993788825"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What percentage did it predict right?\n",
    "metrics.accuracy_score(y, y_pred)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style>\n",
       "    .dataframe thead tr:only-child th {\n",
       "        text-align: right;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: left;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Predicted -1</th>\n",
       "      <th>Predicted 0</th>\n",
       "      <th>Predicted 1</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>True -1</th>\n",
       "      <td>572</td>\n",
       "      <td>1</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 0</th>\n",
       "      <td>1</td>\n",
       "      <td>338</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 1</th>\n",
       "      <td>0</td>\n",
       "      <td>1</td>\n",
       "      <td>53</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "         Predicted -1  Predicted 0  Predicted 1\n",
       "True -1           572            1            0\n",
       "True 0              1          338            0\n",
       "True 1              0            1           53"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What mistakes did it make?\n",
    "pd.DataFrame(metrics.confusion_matrix(y, y_pred), \n",
    "             columns=['Predicted -1','Predicted 0','Predicted 1'],\n",
    "             index=['True -1', 'True 0', 'True 1'])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "So what is this tree thing? We can actually draw it \n",
    "\n",
    "To get this working, you will need to install `GraphViz`. On Windows, download it [here](https://graphviz.gitlab.io/download/). On Mac, try `brew install graphviz`\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
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       "<text text-anchor=\"middle\" x=\"3982.9531\" y=\"-1620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.516</text>\n",
       "<text text-anchor=\"middle\" x=\"3982.9531\" y=\"-1606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 676</text>\n",
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       "<text text-anchor=\"middle\" x=\"2271.9531\" y=\"-1534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2271.9531\" y=\"-1520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.409</text>\n",
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       "<!-- 0&#45;&gt;1 -->\n",
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       "<title>0&#45;&gt;1</title>\n",
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       "<text text-anchor=\"middle\" x=\"2360.5512\" y=\"-1536.686\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">True</text>\n",
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       "<!-- 148 -->\n",
       "<g id=\"node149\" class=\"node\">\n",
       "<title>148</title>\n",
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       "<text text-anchor=\"middle\" x=\"8159.9531\" y=\"-1534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"8159.9531\" y=\"-1520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.547</text>\n",
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       "<text text-anchor=\"middle\" x=\"7994.894\" y=\"-1535.4344\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">False</text>\n",
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       "<!-- 2 -->\n",
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       "<title>2</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1739.304,-1450C1739.304,-1450 1530.6023,-1450 1530.6023,-1450 1524.6023,-1450 1518.6023,-1444 1518.6023,-1438 1518.6023,-1438 1518.6023,-1398 1518.6023,-1398 1518.6023,-1392 1524.6023,-1386 1530.6023,-1386 1530.6023,-1386 1739.304,-1386 1739.304,-1386 1745.304,-1386 1751.304,-1392 1751.304,-1398 1751.304,-1398 1751.304,-1438 1751.304,-1438 1751.304,-1444 1745.304,-1450 1739.304,-1450\"/>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.115</text>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 49</text>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [46, 3, 0]</text>\n",
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       "<!-- 1&#45;&gt;2 -->\n",
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       "<title>1&#45;&gt;2</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2200.1194,-1506.7231C2093.728,-1490.0212 1892.7211,-1458.4659 1761.3407,-1437.8411\"/>\n",
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       "<!-- 13 -->\n",
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       "<title>13</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2402.7071,-1450C2402.7071,-1450 2141.1991,-1450 2141.1991,-1450 2135.1991,-1450 2129.1991,-1444 2129.1991,-1438 2129.1991,-1438 2129.1991,-1398 2129.1991,-1398 2129.1991,-1392 2135.1991,-1386 2141.1991,-1386 2141.1991,-1386 2402.7071,-1386 2402.7071,-1386 2408.7071,-1386 2414.7071,-1392 2414.7071,-1398 2414.7071,-1398 2414.7071,-1438 2414.7071,-1438 2414.7071,-1444 2408.7071,-1450 2402.7071,-1450\"/>\n",
       "<text text-anchor=\"middle\" x=\"2271.9531\" y=\"-1434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2271.9531\" y=\"-1420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.459</text>\n",
       "<text text-anchor=\"middle\" x=\"2271.9531\" y=\"-1406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 199</text>\n",
       "<text text-anchor=\"middle\" x=\"2271.9531\" y=\"-1392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [136, 53, 10]</text>\n",
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       "<!-- 1&#45;&gt;13 -->\n",
       "<g id=\"edge13\" class=\"edge\">\n",
       "<title>1&#45;&gt;13</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2271.9531,-1485.8089C2271.9531,-1477.6906 2271.9531,-1468.8517 2271.9531,-1460.3186\"/>\n",
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       "<!-- 3 -->\n",
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       "<title>3</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M947.6486,-1350C947.6486,-1350 744.2576,-1350 744.2576,-1350 738.2576,-1350 732.2576,-1344 732.2576,-1338 732.2576,-1338 732.2576,-1298 732.2576,-1298 732.2576,-1292 738.2576,-1286 744.2576,-1286 744.2576,-1286 947.6486,-1286 947.6486,-1286 953.6486,-1286 959.6486,-1292 959.6486,-1298 959.6486,-1298 959.6486,-1338 959.6486,-1338 959.6486,-1344 953.6486,-1350 947.6486,-1350\"/>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.278</text>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 18</text>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1292.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [15, 3, 0]</text>\n",
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       "<!-- 2&#45;&gt;3 -->\n",
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       "<title>2&#45;&gt;3</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1518.5335,-1403.2447C1371.7678,-1384.6432 1120.5254,-1352.8 970.1681,-1333.7433\"/>\n",
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       "<!-- 12 -->\n",
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       "<title>12</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1682.8594,-1343C1682.8594,-1343 1587.0468,-1343 1587.0468,-1343 1581.0468,-1343 1575.0468,-1337 1575.0468,-1331 1575.0468,-1331 1575.0468,-1305 1575.0468,-1305 1575.0468,-1299 1581.0468,-1293 1587.0468,-1293 1587.0468,-1293 1682.8594,-1293 1682.8594,-1293 1688.8594,-1293 1694.8594,-1299 1694.8594,-1305 1694.8594,-1305 1694.8594,-1331 1694.8594,-1331 1694.8594,-1337 1688.8594,-1343 1682.8594,-1343\"/>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 31</text>\n",
       "<text text-anchor=\"middle\" x=\"1634.9531\" y=\"-1299.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [31, 0, 0]</text>\n",
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       "<!-- 2&#45;&gt;12 -->\n",
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       "<title>2&#45;&gt;12</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1634.9531,-1385.8089C1634.9531,-1375.446 1634.9531,-1363.909 1634.9531,-1353.3327\"/>\n",
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       "<!-- 4 -->\n",
       "<g id=\"node5\" class=\"node\">\n",
       "<title>4</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M710.7903,-1250C710.7903,-1250 537.1159,-1250 537.1159,-1250 531.1159,-1250 525.1159,-1244 525.1159,-1238 525.1159,-1238 525.1159,-1198 525.1159,-1198 525.1159,-1192 531.1159,-1186 537.1159,-1186 537.1159,-1186 710.7903,-1186 710.7903,-1186 716.7903,-1186 722.7903,-1192 722.7903,-1198 722.7903,-1198 722.7903,-1238 722.7903,-1238 722.7903,-1244 716.7903,-1250 710.7903,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.208</text>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 17</text>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [15, 2, 0]</text>\n",
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       "<!-- 3&#45;&gt;4 -->\n",
       "<g id=\"edge4\" class=\"edge\">\n",
       "<title>3&#45;&gt;4</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M774.7949,-1285.9467C752.3901,-1275.8545 727.4883,-1264.6375 704.48,-1254.2734\"/>\n",
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       "<!-- 11 -->\n",
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       "<title>11</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M890.0733,-1243C890.0733,-1243 801.8329,-1243 801.8329,-1243 795.8329,-1243 789.8329,-1237 789.8329,-1231 789.8329,-1231 789.8329,-1205 789.8329,-1205 789.8329,-1199 795.8329,-1193 801.8329,-1193 801.8329,-1193 890.0733,-1193 890.0733,-1193 896.0733,-1193 902.0733,-1199 902.0733,-1205 902.0733,-1205 902.0733,-1231 902.0733,-1231 902.0733,-1237 896.0733,-1243 890.0733,-1243\"/>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1227.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1213.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"845.9531\" y=\"-1199.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<title>3&#45;&gt;11</title>\n",
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       "<!-- 5 -->\n",
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       "<title>5</title>\n",
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       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.117</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 16</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [15, 1, 0]</text>\n",
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       "<!-- 4&#45;&gt;5 -->\n",
       "<g id=\"edge5\" class=\"edge\">\n",
       "<title>4&#45;&gt;5</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M525.2473,-1194.5544C463.4094,-1179.8661 383.4386,-1160.8707 318.6286,-1145.4764\"/>\n",
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       "<!-- 10 -->\n",
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       "<title>10</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M668.0733,-1143C668.0733,-1143 579.8329,-1143 579.8329,-1143 573.8329,-1143 567.8329,-1137 567.8329,-1131 567.8329,-1131 567.8329,-1105 567.8329,-1105 567.8329,-1099 573.8329,-1093 579.8329,-1093 579.8329,-1093 668.0733,-1093 668.0733,-1093 674.0733,-1093 680.0733,-1099 680.0733,-1105 680.0733,-1105 680.0733,-1131 680.0733,-1131 680.0733,-1137 674.0733,-1143 668.0733,-1143\"/>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1127.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1113.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"623.9531\" y=\"-1099.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<title>4&#45;&gt;10</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M623.9531,-1185.8089C623.9531,-1175.446 623.9531,-1163.909 623.9531,-1153.3327\"/>\n",
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       "<title>6</title>\n",
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       "<text text-anchor=\"middle\" x=\"59.9531\" y=\"-1013.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 13</text>\n",
       "<text text-anchor=\"middle\" x=\"59.9531\" y=\"-999.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [13, 0, 0]</text>\n",
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       "<title>5&#45;&gt;6</title>\n",
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       "<title>7</title>\n",
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       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>5&#45;&gt;7</title>\n",
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       "<title>8</title>\n",
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       "<text text-anchor=\"middle\" x=\"72.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"72.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"72.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<!-- 7&#45;&gt;8 -->\n",
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       "<title>7&#45;&gt;8</title>\n",
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       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"202.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 0, 0]</text>\n",
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       "<title>7&#45;&gt;9</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M202.9531,-985.8089C202.9531,-975.446 202.9531,-963.909 202.9531,-953.3327\"/>\n",
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       "<!-- 14 -->\n",
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       "<title>14</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2216.518,-1350C2216.518,-1350 1995.3883,-1350 1995.3883,-1350 1989.3883,-1350 1983.3883,-1344 1983.3883,-1338 1983.3883,-1338 1983.3883,-1298 1983.3883,-1298 1983.3883,-1292 1989.3883,-1286 1995.3883,-1286 1995.3883,-1286 2216.518,-1286 2216.518,-1286 2222.518,-1286 2228.518,-1292 2228.518,-1298 2228.518,-1298 2228.518,-1338 2228.518,-1338 2228.518,-1344 2222.518,-1350 2216.518,-1350\"/>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.365</text>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 92</text>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1292.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [71, 18, 3]</text>\n",
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       "<!-- 13&#45;&gt;14 -->\n",
       "<g id=\"edge14\" class=\"edge\">\n",
       "<title>13&#45;&gt;14</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2218.5159,-1385.8089C2202.3738,-1376.0848 2184.5157,-1365.3268 2167.8692,-1355.2989\"/>\n",
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       "<!-- 69 -->\n",
       "<g id=\"node70\" class=\"node\">\n",
       "<title>69</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2937.2494,-1350C2937.2494,-1350 2826.6569,-1350 2826.6569,-1350 2820.6569,-1350 2814.6569,-1344 2814.6569,-1338 2814.6569,-1338 2814.6569,-1298 2814.6569,-1298 2814.6569,-1292 2820.6569,-1286 2826.6569,-1286 2826.6569,-1286 2937.2494,-1286 2937.2494,-1286 2943.2494,-1286 2949.2494,-1292 2949.2494,-1298 2949.2494,-1298 2949.2494,-1338 2949.2494,-1338 2949.2494,-1344 2943.2494,-1350 2937.2494,-1350\"/>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.52</text>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 107</text>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1292.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [65, 35, 7]</text>\n",
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       "<title>13&#45;&gt;69</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2414.5859,-1394.6176C2536.3287,-1374.6597 2706.7868,-1346.7158 2804.6418,-1330.674\"/>\n",
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       "<!-- 15 -->\n",
       "<g id=\"node16\" class=\"node\">\n",
       "<title>15</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1476.8872,-1250C1476.8872,-1250 1307.019,-1250 1307.019,-1250 1301.019,-1250 1295.019,-1244 1295.019,-1238 1295.019,-1238 1295.019,-1198 1295.019,-1198 1295.019,-1192 1301.019,-1186 1307.019,-1186 1307.019,-1186 1476.8872,-1186 1476.8872,-1186 1482.8872,-1186 1488.8872,-1192 1488.8872,-1198 1488.8872,-1198 1488.8872,-1238 1488.8872,-1238 1488.8872,-1244 1482.8872,-1250 1476.8872,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.226</text>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 54</text>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [47, 7, 0]</text>\n",
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       "<!-- 14&#45;&gt;15 -->\n",
       "<g id=\"edge15\" class=\"edge\">\n",
       "<title>14&#45;&gt;15</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1983.2121,-1300.8094C1846.7187,-1281.6927 1628.4277,-1251.1197 1498.7406,-1232.9562\"/>\n",
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       "<!-- 42 -->\n",
       "<g id=\"node43\" class=\"node\">\n",
       "<title>42</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2210.3108,-1250C2210.3108,-1250 2001.5954,-1250 2001.5954,-1250 1995.5954,-1250 1989.5954,-1244 1989.5954,-1238 1989.5954,-1238 1989.5954,-1198 1989.5954,-1198 1989.5954,-1192 1995.5954,-1186 2001.5954,-1186 2001.5954,-1186 2210.3108,-1186 2210.3108,-1186 2216.3108,-1186 2222.3108,-1192 2222.3108,-1198 2222.3108,-1198 2222.3108,-1238 2222.3108,-1238 2222.3108,-1244 2216.3108,-1250 2210.3108,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.511</text>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 38</text>\n",
       "<text text-anchor=\"middle\" x=\"2105.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [24, 11, 3]</text>\n",
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       "<!-- 14&#45;&gt;42 -->\n",
       "<g id=\"edge42\" class=\"edge\">\n",
       "<title>14&#45;&gt;42</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2105.9531,-1285.8089C2105.9531,-1277.6906 2105.9531,-1268.8517 2105.9531,-1260.3186\"/>\n",
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       "<!-- 16 -->\n",
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       "<title>16</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1019.8594,-1150C1019.8594,-1150 924.0468,-1150 924.0468,-1150 918.0468,-1150 912.0468,-1144 912.0468,-1138 912.0468,-1138 912.0468,-1098 912.0468,-1098 912.0468,-1092 918.0468,-1086 924.0468,-1086 924.0468,-1086 1019.8594,-1086 1019.8594,-1086 1025.8594,-1086 1031.8594,-1092 1031.8594,-1098 1031.8594,-1098 1031.8594,-1138 1031.8594,-1138 1031.8594,-1144 1025.8594,-1150 1019.8594,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.32</text>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 25</text>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [20, 5, 0]</text>\n",
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       "<!-- 15&#45;&gt;16 -->\n",
       "<g id=\"edge16\" class=\"edge\">\n",
       "<title>15&#45;&gt;16</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1295.0693,-1194.9324C1217.717,-1176.5152 1111.1794,-1151.1491 1041.9411,-1134.6638\"/>\n",
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       "<!-- 33 -->\n",
       "<g id=\"node34\" class=\"node\">\n",
       "<title>33</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1517.3108,-1150C1517.3108,-1150 1266.5955,-1150 1266.5955,-1150 1260.5955,-1150 1254.5955,-1144 1254.5955,-1138 1254.5955,-1138 1254.5955,-1098 1254.5955,-1098 1254.5955,-1092 1260.5955,-1086 1266.5955,-1086 1266.5955,-1086 1517.3108,-1086 1517.3108,-1086 1523.3108,-1086 1529.3108,-1092 1529.3108,-1098 1529.3108,-1098 1529.3108,-1138 1529.3108,-1138 1529.3108,-1144 1523.3108,-1150 1517.3108,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.128</text>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 29</text>\n",
       "<text text-anchor=\"middle\" x=\"1391.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [27, 2, 0]</text>\n",
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       "<!-- 15&#45;&gt;33 -->\n",
       "<g id=\"edge33\" class=\"edge\">\n",
       "<title>15&#45;&gt;33</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1391.9531,-1185.8089C1391.9531,-1177.6906 1391.9531,-1168.8517 1391.9531,-1160.3186\"/>\n",
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       "<!-- 17 -->\n",
       "<g id=\"node18\" class=\"node\">\n",
       "<title>17</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M768.3108,-1050C768.3108,-1050 559.5954,-1050 559.5954,-1050 553.5954,-1050 547.5954,-1044 547.5954,-1038 547.5954,-1038 547.5954,-998 547.5954,-998 547.5954,-992 553.5954,-986 559.5954,-986 559.5954,-986 768.3108,-986 768.3108,-986 774.3108,-986 780.3108,-992 780.3108,-998 780.3108,-998 780.3108,-1038 780.3108,-1038 780.3108,-1044 774.3108,-1050 768.3108,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"663.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"663.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.49</text>\n",
       "<text text-anchor=\"middle\" x=\"663.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"663.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [4, 3, 0]</text>\n",
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       "<!-- 16&#45;&gt;17 -->\n",
       "<g id=\"edge17\" class=\"edge\">\n",
       "<title>16&#45;&gt;17</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M911.8365,-1098.4816C872.2012,-1085.613 819.1491,-1068.3883 772.2959,-1053.1762\"/>\n",
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       "<!-- 24 -->\n",
       "<g id=\"node25\" class=\"node\">\n",
       "<title>24</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1107.845,-1050C1107.845,-1050 836.0613,-1050 836.0613,-1050 830.0613,-1050 824.0613,-1044 824.0613,-1038 824.0613,-1038 824.0613,-998 824.0613,-998 824.0613,-992 830.0613,-986 836.0613,-986 836.0613,-986 1107.845,-986 1107.845,-986 1113.845,-986 1119.845,-992 1119.845,-998 1119.845,-998 1119.845,-1038 1119.845,-1038 1119.845,-1044 1113.845,-1050 1107.845,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.198</text>\n",
       "<text text-anchor=\"middle\" x=\"971.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 18</text>\n",
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       "<title>16&#45;&gt;24</title>\n",
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       "<title>18</title>\n",
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       "<text text-anchor=\"middle\" x=\"427.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"427.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.48</text>\n",
       "<text text-anchor=\"middle\" x=\"427.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
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       "<!-- 17&#45;&gt;18 -->\n",
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       "<title>17&#45;&gt;18</title>\n",
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       "<text text-anchor=\"middle\" x=\"421.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"421.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"421.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>20&#45;&gt;21</title>\n",
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       "<title>22</title>\n",
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       "<text text-anchor=\"middle\" x=\"486.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<!-- 20&#45;&gt;22 -->\n",
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       "<title>20&#45;&gt;22</title>\n",
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       "<!-- 25 -->\n",
       "<g id=\"node26\" class=\"node\">\n",
       "<title>25</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M913.9908,-950C913.9908,-950 755.9154,-950 755.9154,-950 749.9154,-950 743.9154,-944 743.9154,-938 743.9154,-938 743.9154,-898 743.9154,-898 743.9154,-892 749.9154,-886 755.9154,-886 755.9154,-886 913.9908,-886 913.9908,-886 919.9908,-886 925.9908,-892 925.9908,-898 925.9908,-898 925.9908,-938 925.9908,-938 925.9908,-944 919.9908,-950 913.9908,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"834.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"834.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.117</text>\n",
       "<text text-anchor=\"middle\" x=\"834.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 16</text>\n",
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       "<!-- 24&#45;&gt;25 -->\n",
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       "<title>24&#45;&gt;25</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M927.8514,-985.8089C914.8959,-976.3524 900.6011,-965.9182 887.1891,-956.1285\"/>\n",
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       "<!-- 30 -->\n",
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       "<title>30</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1151.0941,-950C1151.0941,-950 968.8122,-950 968.8122,-950 962.8122,-950 956.8122,-944 956.8122,-938 956.8122,-938 956.8122,-898 956.8122,-898 956.8122,-892 962.8122,-886 968.8122,-886 968.8122,-886 1151.0941,-886 1151.0941,-886 1157.0941,-886 1163.0941,-892 1163.0941,-898 1163.0941,-898 1163.0941,-938 1163.0941,-938 1163.0941,-944 1157.0941,-950 1151.0941,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"1059.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1059.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
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       "<!-- 24&#45;&gt;30 -->\n",
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       "<title>24&#45;&gt;30</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1000.2813,-985.8089C1008.132,-976.8877 1016.7484,-967.0963 1024.932,-957.7968\"/>\n",
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       "<!-- 26 -->\n",
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       "<title>26</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M653.8594,-843C653.8594,-843 558.0468,-843 558.0468,-843 552.0468,-843 546.0468,-837 546.0468,-831 546.0468,-831 546.0468,-805 546.0468,-805 546.0468,-799 552.0468,-793 558.0468,-793 558.0468,-793 653.8594,-793 653.8594,-793 659.8594,-793 665.8594,-799 665.8594,-805 665.8594,-805 665.8594,-831 665.8594,-831 665.8594,-837 659.8594,-843 653.8594,-843\"/>\n",
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       "<title>25&#45;&gt;26</title>\n",
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       "<title>27</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M974.345,-850C974.345,-850 695.5613,-850 695.5613,-850 689.5613,-850 683.5613,-844 683.5613,-838 683.5613,-838 683.5613,-798 683.5613,-798 683.5613,-792 689.5613,-786 695.5613,-786 695.5613,-786 974.345,-786 974.345,-786 980.345,-786 986.345,-792 986.345,-798 986.345,-798 986.345,-838 986.345,-838 986.345,-844 980.345,-850 974.345,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"834.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"834.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"834.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 0]</text>\n",
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       "<title>25&#45;&gt;27</title>\n",
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       "<title>28</title>\n",
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       "<text text-anchor=\"middle\" x=\"769.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<title>27&#45;&gt;28</title>\n",
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       "<title>29</title>\n",
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       "<text text-anchor=\"middle\" x=\"899.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<title>27&#45;&gt;29</title>\n",
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       "<title>31</title>\n",
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       "<title>30&#45;&gt;31</title>\n",
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       "<!-- 32 -->\n",
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       "<title>32</title>\n",
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       "<text text-anchor=\"middle\" x=\"1189.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<!-- 34 -->\n",
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       "<title>34</title>\n",
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       "<text text-anchor=\"middle\" x=\"1282.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1282.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.069</text>\n",
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       "<text text-anchor=\"middle\" x=\"1500.9531\" y=\"-999.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<!-- 33&#45;&gt;41 -->\n",
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       "<title>33&#45;&gt;41</title>\n",
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       "<!-- 35 -->\n",
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       "<title>35</title>\n",
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       "<text text-anchor=\"middle\" x=\"1262.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1262.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 23</text>\n",
       "<text text-anchor=\"middle\" x=\"1262.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [23, 0, 0]</text>\n",
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       "<title>34&#45;&gt;35</title>\n",
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       "<!-- 36 -->\n",
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       "<title>36</title>\n",
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       "<text text-anchor=\"middle\" x=\"1396.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1396.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.32</text>\n",
       "<text text-anchor=\"middle\" x=\"1396.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
       "<text text-anchor=\"middle\" x=\"1396.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [4, 1, 0]</text>\n",
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       "<!-- 34&#45;&gt;36 -->\n",
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       "<title>34&#45;&gt;36</title>\n",
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       "<!-- 37 -->\n",
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       "<title>37</title>\n",
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       "<text text-anchor=\"middle\" x=\"1328.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1328.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1328.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"1328.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 0]</text>\n",
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       "<!-- 36&#45;&gt;37 -->\n",
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       "<title>36&#45;&gt;37</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1375.0632,-885.8089C1369.1787,-877.1553 1362.7376,-867.683 1356.5849,-858.635\"/>\n",
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       "<!-- 40 -->\n",
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       "<title>40</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1512.0733,-843C1512.0733,-843 1423.8329,-843 1423.8329,-843 1417.8329,-843 1411.8329,-837 1411.8329,-831 1411.8329,-831 1411.8329,-805 1411.8329,-805 1411.8329,-799 1417.8329,-793 1423.8329,-793 1423.8329,-793 1512.0733,-793 1512.0733,-793 1518.0733,-793 1524.0733,-799 1524.0733,-805 1524.0733,-805 1524.0733,-831 1524.0733,-831 1524.0733,-837 1518.0733,-843 1512.0733,-843\"/>\n",
       "<text text-anchor=\"middle\" x=\"1467.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1467.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"1467.9531\" y=\"-799.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 0, 0]</text>\n",
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       "<!-- 36&#45;&gt;40 -->\n",
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       "<title>36&#45;&gt;40</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1419.8088,-885.8089C1427.6263,-874.7983 1436.3849,-862.4623 1444.2666,-851.3614\"/>\n",
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       "<!-- 38 -->\n",
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       "<title>38</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1241.0733,-743C1241.0733,-743 1152.8329,-743 1152.8329,-743 1146.8329,-743 1140.8329,-737 1140.8329,-731 1140.8329,-731 1140.8329,-705 1140.8329,-705 1140.8329,-699 1146.8329,-693 1152.8329,-693 1152.8329,-693 1241.0733,-693 1241.0733,-693 1247.0733,-693 1253.0733,-699 1253.0733,-705 1253.0733,-705 1253.0733,-731 1253.0733,-731 1253.0733,-737 1247.0733,-743 1241.0733,-743\"/>\n",
       "<text text-anchor=\"middle\" x=\"1196.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1196.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"1196.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 0]</text>\n",
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       "<!-- 37&#45;&gt;38 -->\n",
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       "<title>37&#45;&gt;38</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1286.4609,-785.8089C1271.0719,-774.1506 1253.7216,-761.0064 1238.4219,-749.4157\"/>\n",
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       "<!-- 39 -->\n",
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       "<title>39</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1371.0733,-743C1371.0733,-743 1282.8329,-743 1282.8329,-743 1276.8329,-743 1270.8329,-737 1270.8329,-731 1270.8329,-731 1270.8329,-705 1270.8329,-705 1270.8329,-699 1276.8329,-693 1282.8329,-693 1282.8329,-693 1371.0733,-693 1371.0733,-693 1377.0733,-693 1383.0733,-699 1383.0733,-705 1383.0733,-705 1383.0733,-731 1383.0733,-731 1383.0733,-737 1377.0733,-743 1371.0733,-743\"/>\n",
       "<text text-anchor=\"middle\" x=\"1326.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1326.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"1326.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<!-- 37&#45;&gt;39 -->\n",
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       "<title>37&#45;&gt;39</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1328.3093,-785.8089C1328.102,-775.446 1327.8713,-763.909 1327.6598,-753.3327\"/>\n",
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       "<!-- 43 -->\n",
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       "<title>43</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2090.304,-1150C2090.304,-1150 1881.6023,-1150 1881.6023,-1150 1875.6023,-1150 1869.6023,-1144 1869.6023,-1138 1869.6023,-1138 1869.6023,-1098 1869.6023,-1098 1869.6023,-1092 1875.6023,-1086 1881.6023,-1086 1881.6023,-1086 2090.304,-1086 2090.304,-1086 2096.304,-1086 2102.304,-1092 2102.304,-1098 2102.304,-1098 2102.304,-1138 2102.304,-1138 2102.304,-1144 2096.304,-1150 2090.304,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"1985.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1985.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.577</text>\n",
       "<text text-anchor=\"middle\" x=\"1985.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 26</text>\n",
       "<text text-anchor=\"middle\" x=\"1985.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [14, 9, 3]</text>\n",
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       "<g id=\"edge43\" class=\"edge\">\n",
       "<title>42&#45;&gt;43</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2067.3238,-1185.8089C2056.1901,-1176.5308 2043.9271,-1166.3116 2032.3731,-1156.6833\"/>\n",
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       "<!-- 64 -->\n",
       "<g id=\"node65\" class=\"node\">\n",
       "<title>64</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2320.0488,-1150C2320.0488,-1150 2131.8574,-1150 2131.8574,-1150 2125.8574,-1150 2119.8574,-1144 2119.8574,-1138 2119.8574,-1138 2119.8574,-1098 2119.8574,-1098 2119.8574,-1092 2125.8574,-1086 2131.8574,-1086 2131.8574,-1086 2320.0488,-1086 2320.0488,-1086 2326.0488,-1086 2332.0488,-1092 2332.0488,-1098 2332.0488,-1098 2332.0488,-1138 2332.0488,-1138 2332.0488,-1144 2326.0488,-1150 2320.0488,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"2225.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2225.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.278</text>\n",
       "<text text-anchor=\"middle\" x=\"2225.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 12</text>\n",
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       "<title>42&#45;&gt;64</title>\n",
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       "<title>44</title>\n",
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       "<text text-anchor=\"middle\" x=\"1732.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1732.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
       "<text text-anchor=\"middle\" x=\"1732.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 4</text>\n",
       "<text text-anchor=\"middle\" x=\"1732.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 3, 1]</text>\n",
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       "<text text-anchor=\"middle\" x=\"1997.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1997.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.512</text>\n",
       "<text text-anchor=\"middle\" x=\"1997.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 22</text>\n",
       "<text text-anchor=\"middle\" x=\"1997.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [14, 6, 2]</text>\n",
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       "<title>43&#45;&gt;47</title>\n",
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       "<!-- 45 -->\n",
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       "<title>45</title>\n",
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       "<text text-anchor=\"middle\" x=\"1606.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1606.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<text text-anchor=\"middle\" x=\"1736.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"1736.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<!-- 44&#45;&gt;46 -->\n",
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       "<title>44&#45;&gt;46</title>\n",
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       "<!-- 48 -->\n",
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       "<title>48</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1997.8872,-950C1997.8872,-950 1828.019,-950 1828.019,-950 1822.019,-950 1816.019,-944 1816.019,-938 1816.019,-938 1816.019,-898 1816.019,-898 1816.019,-892 1822.019,-886 1828.019,-886 1828.019,-886 1997.8872,-886 1997.8872,-886 2003.8872,-886 2009.8872,-892 2009.8872,-898 2009.8872,-898 2009.8872,-938 2009.8872,-938 2009.8872,-944 2003.8872,-950 1997.8872,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"1912.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1912.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.41</text>\n",
       "<text text-anchor=\"middle\" x=\"1912.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 19</text>\n",
       "<text text-anchor=\"middle\" x=\"1912.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [14, 4, 1]</text>\n",
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       "<!-- 47&#45;&gt;48 -->\n",
       "<g id=\"edge48\" class=\"edge\">\n",
       "<title>47&#45;&gt;48</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1970.5907,-985.8089C1963.0076,-976.8877 1954.685,-967.0963 1946.7804,-957.7968\"/>\n",
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       "<title>61</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2217.9521,-950C2217.9521,-950 2039.9541,-950 2039.9541,-950 2033.9541,-950 2027.9541,-944 2027.9541,-938 2027.9541,-938 2027.9541,-898 2027.9541,-898 2027.9541,-892 2033.9541,-886 2039.9541,-886 2039.9541,-886 2217.9521,-886 2217.9521,-886 2223.9521,-886 2229.9521,-892 2229.9521,-898 2229.9521,-898 2229.9521,-938 2229.9521,-938 2229.9521,-944 2223.9521,-950 2217.9521,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"2128.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2128.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"2128.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>47&#45;&gt;61</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2040.1234,-985.8089C2052.3946,-976.4416 2065.9225,-966.115 2078.6416,-956.4057\"/>\n",
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       "<!-- 49 -->\n",
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       "<title>49</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1795.5874,-850C1795.5874,-850 1690.3188,-850 1690.3188,-850 1684.3188,-850 1678.3188,-844 1678.3188,-838 1678.3188,-838 1678.3188,-798 1678.3188,-798 1678.3188,-792 1684.3188,-786 1690.3188,-786 1690.3188,-786 1795.5874,-786 1795.5874,-786 1801.5874,-786 1807.5874,-792 1807.5874,-798 1807.5874,-798 1807.5874,-838 1807.5874,-838 1807.5874,-844 1801.5874,-850 1795.5874,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"1742.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1742.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.64</text>\n",
       "<text text-anchor=\"middle\" x=\"1742.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
       "<text text-anchor=\"middle\" x=\"1742.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 2, 1]</text>\n",
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       "<!-- 48&#45;&gt;49 -->\n",
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       "<title>48&#45;&gt;49</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1858.2283,-885.8089C1841.6972,-876.0848 1823.4087,-865.3268 1806.3612,-855.2989\"/>\n",
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       "<!-- 54 -->\n",
       "<g id=\"node55\" class=\"node\">\n",
       "<title>54</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2010.7903,-850C2010.7903,-850 1837.1159,-850 1837.1159,-850 1831.1159,-850 1825.1159,-844 1825.1159,-838 1825.1159,-838 1825.1159,-798 1825.1159,-798 1825.1159,-792 1831.1159,-786 1837.1159,-786 1837.1159,-786 2010.7903,-786 2010.7903,-786 2016.7903,-786 2022.7903,-792 2022.7903,-798 2022.7903,-798 2022.7903,-838 2022.7903,-838 2022.7903,-844 2016.7903,-850 2010.7903,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"1923.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1923.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.245</text>\n",
       "<text text-anchor=\"middle\" x=\"1923.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 14</text>\n",
       "<text text-anchor=\"middle\" x=\"1923.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [12, 2, 0]</text>\n",
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       "<title>48&#45;&gt;54</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M1916.4941,-885.8089C1917.3872,-877.6906 1918.3594,-868.8517 1919.2981,-860.3186\"/>\n",
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       "<title>50</title>\n",
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       "<text text-anchor=\"middle\" x=\"1538.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"1538.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"1538.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>49&#45;&gt;50</title>\n",
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       "<title>53</title>\n",
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       "<title>51</title>\n",
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       "<text text-anchor=\"middle\" x=\"1915.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"1899.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
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       "<title>58</title>\n",
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       "<title>57&#45;&gt;58</title>\n",
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       "<title>59</title>\n",
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       "<title>62</title>\n",
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       "<title>61&#45;&gt;62</title>\n",
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       "<!-- 63 -->\n",
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       "<title>63</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2282.0733,-843C2282.0733,-843 2193.8329,-843 2193.8329,-843 2187.8329,-843 2181.8329,-837 2181.8329,-831 2181.8329,-831 2181.8329,-805 2181.8329,-805 2181.8329,-799 2187.8329,-793 2193.8329,-793 2193.8329,-793 2282.0733,-793 2282.0733,-793 2288.0733,-793 2294.0733,-799 2294.0733,-805 2294.0733,-805 2294.0733,-831 2294.0733,-831 2294.0733,-837 2288.0733,-843 2282.0733,-843\"/>\n",
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       "<!-- 65 -->\n",
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       "<title>65</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2264.0733,-1043C2264.0733,-1043 2175.8329,-1043 2175.8329,-1043 2169.8329,-1043 2163.8329,-1037 2163.8329,-1031 2163.8329,-1031 2163.8329,-1005 2163.8329,-1005 2163.8329,-999 2169.8329,-993 2175.8329,-993 2175.8329,-993 2264.0733,-993 2264.0733,-993 2270.0733,-993 2276.0733,-999 2276.0733,-1005 2276.0733,-1005 2276.0733,-1031 2276.0733,-1031 2276.0733,-1037 2270.0733,-1043 2264.0733,-1043\"/>\n",
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       "<!-- 66 -->\n",
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       "<title>66</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2577.845,-1050C2577.845,-1050 2306.0613,-1050 2306.0613,-1050 2300.0613,-1050 2294.0613,-1044 2294.0613,-1038 2294.0613,-1038 2294.0613,-998 2294.0613,-998 2294.0613,-992 2300.0613,-986 2306.0613,-986 2306.0613,-986 2577.845,-986 2577.845,-986 2583.845,-986 2589.845,-992 2589.845,-998 2589.845,-998 2589.845,-1038 2589.845,-1038 2589.845,-1044 2583.845,-1050 2577.845,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"2441.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2441.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.48</text>\n",
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       "<title>67</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2421.0733,-943C2421.0733,-943 2332.8329,-943 2332.8329,-943 2326.8329,-943 2320.8329,-937 2320.8329,-931 2320.8329,-931 2320.8329,-905 2320.8329,-905 2320.8329,-899 2326.8329,-893 2332.8329,-893 2332.8329,-893 2421.0733,-893 2421.0733,-893 2427.0733,-893 2433.0733,-899 2433.0733,-905 2433.0733,-905 2433.0733,-931 2433.0733,-931 2433.0733,-937 2427.0733,-943 2421.0733,-943\"/>\n",
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       "<title>68</title>\n",
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       "<title>70</title>\n",
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       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"2881.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 2, 1]</text>\n",
       "</g>\n",
       "<!-- 69&#45;&gt;70 -->\n",
       "<g id=\"edge70\" class=\"edge\">\n",
       "<title>69&#45;&gt;70</title>\n",
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       "<!-- 73 -->\n",
       "<g id=\"node74\" class=\"node\">\n",
       "<title>73</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3478.8872,-1250C3478.8872,-1250 3295.0191,-1250 3295.0191,-1250 3289.0191,-1250 3283.0191,-1244 3283.0191,-1238 3283.0191,-1238 3283.0191,-1198 3283.0191,-1198 3283.0191,-1192 3289.0191,-1186 3295.0191,-1186 3295.0191,-1186 3478.8872,-1186 3478.8872,-1186 3484.8872,-1186 3490.8872,-1192 3490.8872,-1198 3490.8872,-1198 3490.8872,-1238 3490.8872,-1238 3490.8872,-1244 3484.8872,-1250 3478.8872,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.505</text>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 104</text>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [65, 33, 6]</text>\n",
       "</g>\n",
       "<!-- 69&#45;&gt;73 -->\n",
       "<g id=\"edge73\" class=\"edge\">\n",
       "<title>69&#45;&gt;73</title>\n",
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       "<!-- 71 -->\n",
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       "<title>71</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2861.0733,-1143C2861.0733,-1143 2772.8329,-1143 2772.8329,-1143 2766.8329,-1143 2760.8329,-1137 2760.8329,-1131 2760.8329,-1131 2760.8329,-1105 2760.8329,-1105 2760.8329,-1099 2766.8329,-1093 2772.8329,-1093 2772.8329,-1093 2861.0733,-1093 2861.0733,-1093 2867.0733,-1093 2873.0733,-1099 2873.0733,-1105 2873.0733,-1105 2873.0733,-1131 2873.0733,-1131 2873.0733,-1137 2867.0733,-1143 2861.0733,-1143\"/>\n",
       "<text text-anchor=\"middle\" x=\"2816.9531\" y=\"-1127.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2816.9531\" y=\"-1113.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"2816.9531\" y=\"-1099.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 2, 0]</text>\n",
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       "<!-- 70&#45;&gt;71 -->\n",
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       "<title>70&#45;&gt;71</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2861.0289,-1185.8089C2853.9422,-1174.9063 2846.0108,-1162.7041 2838.8505,-1151.6882\"/>\n",
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       "<!-- 72 -->\n",
       "<g id=\"node73\" class=\"node\">\n",
       "<title>72</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2991.0733,-1143C2991.0733,-1143 2902.8329,-1143 2902.8329,-1143 2896.8329,-1143 2890.8329,-1137 2890.8329,-1131 2890.8329,-1131 2890.8329,-1105 2890.8329,-1105 2890.8329,-1099 2896.8329,-1093 2902.8329,-1093 2902.8329,-1093 2991.0733,-1093 2991.0733,-1093 2997.0733,-1093 3003.0733,-1099 3003.0733,-1105 3003.0733,-1105 3003.0733,-1131 3003.0733,-1131 3003.0733,-1137 2997.0733,-1143 2991.0733,-1143\"/>\n",
       "<text text-anchor=\"middle\" x=\"2946.9531\" y=\"-1127.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2946.9531\" y=\"-1113.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"2946.9531\" y=\"-1099.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 0, 1]</text>\n",
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       "<!-- 70&#45;&gt;72 -->\n",
       "<g id=\"edge72\" class=\"edge\">\n",
       "<title>70&#45;&gt;72</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2902.8773,-1185.8089C2909.9641,-1174.9063 2917.8955,-1162.7041 2925.0558,-1151.6882\"/>\n",
       "<polygon fill=\"#000000\" stroke=\"#000000\" points=\"2928.0867,-1153.4475 2930.602,-1143.1555 2922.2175,-1149.6325 2928.0867,-1153.4475\"/>\n",
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       "<!-- 74 -->\n",
       "<g id=\"node75\" class=\"node\">\n",
       "<title>74</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3516.3828,-1150C3516.3828,-1150 3257.5234,-1150 3257.5234,-1150 3251.5234,-1150 3245.5234,-1144 3245.5234,-1138 3245.5234,-1138 3245.5234,-1098 3245.5234,-1098 3245.5234,-1092 3251.5234,-1086 3257.5234,-1086 3257.5234,-1086 3516.3828,-1086 3516.3828,-1086 3522.3828,-1086 3528.3828,-1092 3528.3828,-1098 3528.3828,-1098 3528.3828,-1138 3528.3828,-1138 3528.3828,-1144 3522.3828,-1150 3516.3828,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.475</text>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 92</text>\n",
       "<text text-anchor=\"middle\" x=\"3386.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [59, 31, 2]</text>\n",
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       "<!-- 73&#45;&gt;74 -->\n",
       "<g id=\"edge74\" class=\"edge\">\n",
       "<title>73&#45;&gt;74</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3386.9531,-1185.8089C3386.9531,-1177.6906 3386.9531,-1168.8517 3386.9531,-1160.3186\"/>\n",
       "<polygon fill=\"#000000\" stroke=\"#000000\" points=\"3390.4532,-1160.1307 3386.9531,-1150.1308 3383.4532,-1160.1308 3390.4532,-1160.1307\"/>\n",
       "</g>\n",
       "<!-- 137 -->\n",
       "<g id=\"node138\" class=\"node\">\n",
       "<title>137</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3993.518,-1150C3993.518,-1150 3772.3883,-1150 3772.3883,-1150 3766.3883,-1150 3760.3883,-1144 3760.3883,-1138 3760.3883,-1138 3760.3883,-1098 3760.3883,-1098 3760.3883,-1092 3766.3883,-1086 3772.3883,-1086 3772.3883,-1086 3993.518,-1086 3993.518,-1086 3999.518,-1086 4005.518,-1092 4005.518,-1098 4005.518,-1098 4005.518,-1138 4005.518,-1138 4005.518,-1144 3999.518,-1150 3993.518,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"3882.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3882.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.611</text>\n",
       "<text text-anchor=\"middle\" x=\"3882.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 12</text>\n",
       "<text text-anchor=\"middle\" x=\"3882.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [6, 2, 4]</text>\n",
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       "<!-- 73&#45;&gt;137 -->\n",
       "<g id=\"edge137\" class=\"edge\">\n",
       "<title>73&#45;&gt;137</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3490.931,-1197.0367C3566.4078,-1181.8196 3669.1207,-1161.1114 3750.4757,-1144.7092\"/>\n",
       "<polygon fill=\"#000000\" stroke=\"#000000\" points=\"3751.1769,-1148.1383 3760.2879,-1142.7309 3749.7934,-1141.2764 3751.1769,-1148.1383\"/>\n",
       "</g>\n",
       "<!-- 75 -->\n",
       "<g id=\"node76\" class=\"node\">\n",
       "<title>75</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3388.4727,-1050C3388.4727,-1050 3133.4336,-1050 3133.4336,-1050 3127.4336,-1050 3121.4336,-1044 3121.4336,-1038 3121.4336,-1038 3121.4336,-998 3121.4336,-998 3121.4336,-992 3127.4336,-986 3133.4336,-986 3133.4336,-986 3388.4727,-986 3388.4727,-986 3394.4727,-986 3400.4727,-992 3400.4727,-998 3400.4727,-998 3400.4727,-1038 3400.4727,-1038 3400.4727,-1044 3394.4727,-1050 3388.4727,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.456</text>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 85</text>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [57, 26, 2]</text>\n",
       "</g>\n",
       "<!-- 74&#45;&gt;75 -->\n",
       "<g id=\"edge75\" class=\"edge\">\n",
       "<title>74&#45;&gt;75</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3346.3924,-1085.8089C3334.5895,-1076.4416 3321.578,-1066.115 3309.3443,-1056.4057\"/>\n",
       "<polygon fill=\"#000000\" stroke=\"#000000\" points=\"3311.4466,-1053.6059 3301.4379,-1050.1308 3307.095,-1059.0889 3311.4466,-1053.6059\"/>\n",
       "</g>\n",
       "<!-- 132 -->\n",
       "<g id=\"node133\" class=\"node\">\n",
       "<title>132</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3639.6486,-1050C3639.6486,-1050 3436.2576,-1050 3436.2576,-1050 3430.2576,-1050 3424.2576,-1044 3424.2576,-1038 3424.2576,-1038 3424.2576,-998 3424.2576,-998 3424.2576,-992 3430.2576,-986 3436.2576,-986 3436.2576,-986 3639.6486,-986 3639.6486,-986 3645.6486,-986 3651.6486,-992 3651.6486,-998 3651.6486,-998 3651.6486,-1038 3651.6486,-1038 3651.6486,-1044 3645.6486,-1050 3639.6486,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"3537.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3537.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.408</text>\n",
       "<text text-anchor=\"middle\" x=\"3537.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"3537.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 5, 0]</text>\n",
       "</g>\n",
       "<!-- 74&#45;&gt;132 -->\n",
       "<g id=\"edge132\" class=\"edge\">\n",
       "<title>74&#45;&gt;132</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3435.5616,-1085.8089C3449.9757,-1076.2632 3465.894,-1065.7213 3480.7972,-1055.8516\"/>\n",
       "<polygon fill=\"#000000\" stroke=\"#000000\" points=\"3483.0307,-1058.5704 3489.4357,-1050.1308 3479.1657,-1052.7342 3483.0307,-1058.5704\"/>\n",
       "</g>\n",
       "<!-- 76 -->\n",
       "<g id=\"node77\" class=\"node\">\n",
       "<title>76</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3022.9908,-950C3022.9908,-950 2864.9154,-950 2864.9154,-950 2858.9154,-950 2852.9154,-944 2852.9154,-938 2852.9154,-938 2852.9154,-898 2852.9154,-898 2852.9154,-892 2858.9154,-886 2864.9154,-886 2864.9154,-886 3022.9908,-886 3022.9908,-886 3028.9908,-886 3034.9908,-892 3034.9908,-898 3034.9908,-898 3034.9908,-938 3034.9908,-938 3034.9908,-944 3028.9908,-950 3022.9908,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"2943.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2943.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.49</text>\n",
       "<text text-anchor=\"middle\" x=\"2943.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 28</text>\n",
       "<text text-anchor=\"middle\" x=\"2943.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [16, 12, 0]</text>\n",
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       "<!-- 75&#45;&gt;76 -->\n",
       "<g id=\"edge76\" class=\"edge\">\n",
       "<title>75&#45;&gt;76</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3159.3443,-985.9467C3122.6883,-974.3833 3081.3515,-961.3433 3044.7639,-949.8015\"/>\n",
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       "<!-- 93 -->\n",
       "<g id=\"node94\" class=\"node\">\n",
       "<title>93</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3386.5967,-950C3386.5967,-950 3135.3095,-950 3135.3095,-950 3129.3095,-950 3123.3095,-944 3123.3095,-938 3123.3095,-938 3123.3095,-898 3123.3095,-898 3123.3095,-892 3129.3095,-886 3135.3095,-886 3135.3095,-886 3386.5967,-886 3386.5967,-886 3392.5967,-886 3398.5967,-892 3398.5967,-898 3398.5967,-898 3398.5967,-938 3398.5967,-938 3398.5967,-944 3392.5967,-950 3386.5967,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.421</text>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 57</text>\n",
       "<text text-anchor=\"middle\" x=\"3260.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [41, 14, 2]</text>\n",
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       "<!-- 75&#45;&gt;93 -->\n",
       "<g id=\"edge93\" class=\"edge\">\n",
       "<title>75&#45;&gt;93</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3260.9531,-985.8089C3260.9531,-977.6906 3260.9531,-968.8517 3260.9531,-960.3186\"/>\n",
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       "<!-- 77 -->\n",
       "<g id=\"node78\" class=\"node\">\n",
       "<title>77</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2846.845,-850C2846.845,-850 2575.0613,-850 2575.0613,-850 2569.0613,-850 2563.0613,-844 2563.0613,-838 2563.0613,-838 2563.0613,-798 2563.0613,-798 2563.0613,-792 2569.0613,-786 2575.0613,-786 2575.0613,-786 2846.845,-786 2846.845,-786 2852.845,-786 2858.845,-792 2858.845,-798 2858.845,-798 2858.845,-838 2858.845,-838 2858.845,-844 2852.845,-850 2846.845,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 24</text>\n",
       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [16, 8, 0]</text>\n",
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       "<!-- 76&#45;&gt;77 -->\n",
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       "<title>76&#45;&gt;77</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2869.2691,-885.9467C2845.5451,-875.7648 2819.1536,-864.438 2794.8266,-853.9972\"/>\n",
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       "<g id=\"node93\" class=\"node\">\n",
       "<title>92</title>\n",
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       "<text text-anchor=\"middle\" x=\"2943.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"2387.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2387.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.32</text>\n",
       "<text text-anchor=\"middle\" x=\"2387.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 15</text>\n",
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       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.494</text>\n",
       "<text text-anchor=\"middle\" x=\"2710.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 9</text>\n",
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       "<title>79</title>\n",
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       "<text text-anchor=\"middle\" x=\"2175.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2175.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.469</text>\n",
       "<text text-anchor=\"middle\" x=\"2175.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
       "<text text-anchor=\"middle\" x=\"2175.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [5, 3, 0]</text>\n",
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       "<title>78&#45;&gt;79</title>\n",
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       "<title>84</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2432.0733,-643C2432.0733,-643 2343.8329,-643 2343.8329,-643 2337.8329,-643 2331.8329,-637 2331.8329,-631 2331.8329,-631 2331.8329,-605 2331.8329,-605 2331.8329,-599 2337.8329,-593 2343.8329,-593 2343.8329,-593 2432.0733,-593 2432.0733,-593 2438.0733,-593 2444.0733,-599 2444.0733,-605 2444.0733,-605 2444.0733,-631 2444.0733,-631 2444.0733,-637 2438.0733,-643 2432.0733,-643\"/>\n",
       "<text text-anchor=\"middle\" x=\"2387.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2387.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"2387.9531\" y=\"-599.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [7, 0, 0]</text>\n",
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       "<!-- 78&#45;&gt;84 -->\n",
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       "<title>78&#45;&gt;84</title>\n",
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       "<title>80</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2165.7561,-550C2165.7561,-550 1978.1502,-550 1978.1502,-550 1972.1502,-550 1966.1502,-544 1966.1502,-538 1966.1502,-538 1966.1502,-498 1966.1502,-498 1966.1502,-492 1972.1502,-486 1978.1502,-486 1978.1502,-486 2165.7561,-486 2165.7561,-486 2171.7561,-486 2177.7561,-492 2177.7561,-498 2177.7561,-498 2177.7561,-538 2177.7561,-538 2177.7561,-544 2171.7561,-550 2165.7561,-550\"/>\n",
       "<text text-anchor=\"middle\" x=\"2071.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2071.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.278</text>\n",
       "<text text-anchor=\"middle\" x=\"2071.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 6</text>\n",
       "<text text-anchor=\"middle\" x=\"2071.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [5, 1, 0]</text>\n",
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       "<title>79&#45;&gt;80</title>\n",
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       "<title>83</title>\n",
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       "<text text-anchor=\"middle\" x=\"2251.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2251.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
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       "<title>81</title>\n",
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       "<text text-anchor=\"middle\" x=\"2006.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2006.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
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       "<title>80&#45;&gt;81</title>\n",
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       "<title>82</title>\n",
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       "<text text-anchor=\"middle\" x=\"2136.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"2136.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<title>86</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2691.3555,-650C2691.3555,-650 2474.5508,-650 2474.5508,-650 2468.5508,-650 2462.5508,-644 2462.5508,-638 2462.5508,-638 2462.5508,-598 2462.5508,-598 2462.5508,-592 2468.5508,-586 2474.5508,-586 2474.5508,-586 2691.3555,-586 2691.3555,-586 2697.3555,-586 2703.3555,-592 2703.3555,-598 2703.3555,-598 2703.3555,-638 2703.3555,-638 2703.3555,-644 2697.3555,-650 2691.3555,-650\"/>\n",
       "<text text-anchor=\"middle\" x=\"2582.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2582.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.278</text>\n",
       "<text text-anchor=\"middle\" x=\"2582.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 6</text>\n",
       "<text text-anchor=\"middle\" x=\"2582.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 5, 0]</text>\n",
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       "<title>85&#45;&gt;86</title>\n",
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       "<title>91</title>\n",
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       "<text text-anchor=\"middle\" x=\"2777.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>87</title>\n",
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       "<title>86&#45;&gt;87</title>\n",
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       "<title>88</title>\n",
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       "<text text-anchor=\"middle\" x=\"2590.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2590.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
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       "<title>86&#45;&gt;88</title>\n",
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       "<text text-anchor=\"middle\" x=\"2525.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<title>90</title>\n",
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       "<text text-anchor=\"middle\" x=\"2655.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2655.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"2655.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<title>88&#45;&gt;90</title>\n",
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       "<!-- 94 -->\n",
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       "<title>94</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3330.6418,-850C3330.6418,-850 3127.2644,-850 3127.2644,-850 3121.2644,-850 3115.2644,-844 3115.2644,-838 3115.2644,-838 3115.2644,-798 3115.2644,-798 3115.2644,-792 3121.2644,-786 3127.2644,-786 3127.2644,-786 3330.6418,-786 3330.6418,-786 3336.6418,-786 3342.6418,-792 3342.6418,-798 3342.6418,-798 3342.6418,-838 3342.6418,-838 3342.6418,-844 3336.6418,-850 3330.6418,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"3228.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3228.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.571</text>\n",
       "<text text-anchor=\"middle\" x=\"3228.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 21</text>\n",
       "<text text-anchor=\"middle\" x=\"3228.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [11, 8, 2]</text>\n",
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       "<!-- 93&#45;&gt;94 -->\n",
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       "<title>93&#45;&gt;94</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3250.652,-885.8089C3247.997,-877.5122 3245.1012,-868.4628 3242.3152,-859.7565\"/>\n",
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       "<!-- 109 -->\n",
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       "<title>109</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3589.3555,-850C3589.3555,-850 3372.5508,-850 3372.5508,-850 3366.5508,-850 3360.5508,-844 3360.5508,-838 3360.5508,-838 3360.5508,-798 3360.5508,-798 3360.5508,-792 3366.5508,-786 3372.5508,-786 3372.5508,-786 3589.3555,-786 3589.3555,-786 3595.3555,-786 3601.3555,-792 3601.3555,-798 3601.3555,-798 3601.3555,-838 3601.3555,-838 3601.3555,-844 3595.3555,-850 3589.3555,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"3480.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3480.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.278</text>\n",
       "<text text-anchor=\"middle\" x=\"3480.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 36</text>\n",
       "<text text-anchor=\"middle\" x=\"3480.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [30, 6, 0]</text>\n",
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       "<title>93&#45;&gt;109</title>\n",
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       "<!-- 95 -->\n",
       "<g id=\"node96\" class=\"node\">\n",
       "<title>95</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3265.5874,-750C3265.5874,-750 3160.3188,-750 3160.3188,-750 3154.3188,-750 3148.3188,-744 3148.3188,-738 3148.3188,-738 3148.3188,-698 3148.3188,-698 3148.3188,-692 3154.3188,-686 3160.3188,-686 3160.3188,-686 3265.5874,-686 3265.5874,-686 3271.5874,-686 3277.5874,-692 3277.5874,-698 3277.5874,-698 3277.5874,-738 3277.5874,-738 3277.5874,-744 3271.5874,-750 3265.5874,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.569</text>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 12</text>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-692.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 7, 2]</text>\n",
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       "<!-- 94&#45;&gt;95 -->\n",
       "<g id=\"edge95\" class=\"edge\">\n",
       "<title>94&#45;&gt;95</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3223.8026,-785.8089C3222.4893,-777.6014 3221.0583,-768.6574 3219.6791,-760.0374\"/>\n",
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       "<!-- 104 -->\n",
       "<g id=\"node105\" class=\"node\">\n",
       "<title>104</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3563.6524,-750C3563.6524,-750 3400.2538,-750 3400.2538,-750 3394.2538,-750 3388.2538,-744 3388.2538,-738 3388.2538,-738 3388.2538,-698 3388.2538,-698 3388.2538,-692 3394.2538,-686 3400.2538,-686 3400.2538,-686 3563.6524,-686 3563.6524,-686 3569.6524,-686 3575.6524,-692 3575.6524,-698 3575.6524,-698 3575.6524,-738 3575.6524,-738 3575.6524,-744 3569.6524,-750 3563.6524,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.198</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 9</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-692.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [8, 1, 0]</text>\n",
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       "<!-- 94&#45;&gt;104 -->\n",
       "<g id=\"edge104\" class=\"edge\">\n",
       "<title>94&#45;&gt;104</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3310.0479,-785.9467C3336.0352,-775.6751 3364.9703,-764.2383 3391.5779,-753.7214\"/>\n",
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       "<!-- 96 -->\n",
       "<g id=\"node97\" class=\"node\">\n",
       "<title>96</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3027.6524,-650C3027.6524,-650 2864.2538,-650 2864.2538,-650 2858.2538,-650 2852.2538,-644 2852.2538,-638 2852.2538,-638 2852.2538,-598 2852.2538,-598 2852.2538,-592 2858.2538,-586 2864.2538,-586 2864.2538,-586 3027.6524,-586 3027.6524,-586 3033.6524,-586 3039.6524,-592 3039.6524,-598 3039.6524,-598 3039.6524,-638 3039.6524,-638 3039.6524,-644 3033.6524,-650 3027.6524,-650\"/>\n",
       "<text text-anchor=\"middle\" x=\"2945.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"2945.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
       "<text text-anchor=\"middle\" x=\"2945.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 4</text>\n",
       "<text text-anchor=\"middle\" x=\"2945.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 1, 0]</text>\n",
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       "<!-- 95&#45;&gt;96 -->\n",
       "<g id=\"edge96\" class=\"edge\">\n",
       "<title>95&#45;&gt;96</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3147.979,-693.6651C3115.8135,-681.6181 3076.3663,-666.8439 3040.8925,-653.5578\"/>\n",
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       "<!-- 99 -->\n",
       "<g id=\"node100\" class=\"node\">\n",
       "<title>99</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3291.9908,-650C3291.9908,-650 3133.9154,-650 3133.9154,-650 3127.9154,-650 3121.9154,-644 3121.9154,-638 3121.9154,-638 3121.9154,-598 3121.9154,-598 3121.9154,-592 3127.9154,-586 3133.9154,-586 3133.9154,-586 3291.9908,-586 3291.9908,-586 3297.9908,-586 3303.9908,-592 3303.9908,-598 3303.9908,-598 3303.9908,-638 3303.9908,-638 3303.9908,-644 3297.9908,-650 3291.9908,-650\"/>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
       "<text text-anchor=\"middle\" x=\"3212.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 6, 2]</text>\n",
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       "<!-- 95&#45;&gt;99 -->\n",
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       "<title>95&#45;&gt;99</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3212.9531,-685.8089C3212.9531,-677.6906 3212.9531,-668.8517 3212.9531,-660.3186\"/>\n",
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       "<g id=\"node98\" class=\"node\">\n",
       "<title>97</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2844.0733,-543C2844.0733,-543 2755.8329,-543 2755.8329,-543 2749.8329,-543 2743.8329,-537 2743.8329,-531 2743.8329,-531 2743.8329,-505 2743.8329,-505 2743.8329,-499 2749.8329,-493 2755.8329,-493 2755.8329,-493 2844.0733,-493 2844.0733,-493 2850.0733,-493 2856.0733,-499 2856.0733,-505 2856.0733,-505 2856.0733,-531 2856.0733,-531 2856.0733,-537 2850.0733,-543 2844.0733,-543\"/>\n",
       "<text text-anchor=\"middle\" x=\"2799.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2799.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"2799.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<!-- 96&#45;&gt;97 -->\n",
       "<g id=\"edge97\" class=\"edge\">\n",
       "<title>96&#45;&gt;97</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2898.9542,-585.8089C2881.7754,-574.0427 2862.387,-560.7629 2845.3506,-549.0942\"/>\n",
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       "<!-- 98 -->\n",
       "<g id=\"node99\" class=\"node\">\n",
       "<title>98</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2974.0733,-543C2974.0733,-543 2885.8329,-543 2885.8329,-543 2879.8329,-543 2873.8329,-537 2873.8329,-531 2873.8329,-531 2873.8329,-505 2873.8329,-505 2873.8329,-499 2879.8329,-493 2885.8329,-493 2885.8329,-493 2974.0733,-493 2974.0733,-493 2980.0733,-493 2986.0733,-499 2986.0733,-505 2986.0733,-505 2986.0733,-531 2986.0733,-531 2986.0733,-537 2980.0733,-543 2974.0733,-543\"/>\n",
       "<text text-anchor=\"middle\" x=\"2929.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"2929.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"2929.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 0, 0]</text>\n",
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       "<!-- 96&#45;&gt;98 -->\n",
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       "<title>96&#45;&gt;98</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M2940.8026,-585.8089C2939.1445,-575.446 2937.2986,-563.909 2935.6063,-553.3327\"/>\n",
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       "<g id=\"node101\" class=\"node\">\n",
       "<title>100</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3266.3108,-550C3266.3108,-550 3015.5955,-550 3015.5955,-550 3009.5955,-550 3003.5955,-544 3003.5955,-538 3003.5955,-538 3003.5955,-498 3003.5955,-498 3003.5955,-492 3009.5955,-486 3015.5955,-486 3015.5955,-486 3266.3108,-486 3266.3108,-486 3272.3108,-486 3278.3108,-492 3278.3108,-498 3278.3108,-498 3278.3108,-538 3278.3108,-538 3278.3108,-544 3272.3108,-550 3266.3108,-550\"/>\n",
       "<text text-anchor=\"middle\" x=\"3140.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3140.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.245</text>\n",
       "<text text-anchor=\"middle\" x=\"3140.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"3140.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 6, 1]</text>\n",
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       "<title>99&#45;&gt;100</title>\n",
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       "<text text-anchor=\"middle\" x=\"3205.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<!-- 100&#45;&gt;102 -->\n",
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       "<!-- 105 -->\n",
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       "<title>105</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3526.0733,-650C3526.0733,-650 3437.8329,-650 3437.8329,-650 3431.8329,-650 3425.8329,-644 3425.8329,-638 3425.8329,-638 3425.8329,-598 3425.8329,-598 3425.8329,-592 3431.8329,-586 3437.8329,-586 3437.8329,-586 3526.0733,-586 3526.0733,-586 3532.0733,-586 3538.0733,-592 3538.0733,-598 3538.0733,-598 3538.0733,-638 3538.0733,-638 3538.0733,-644 3532.0733,-650 3526.0733,-650\"/>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 0]</text>\n",
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       "<!-- 104&#45;&gt;105 -->\n",
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       "<title>104&#45;&gt;105</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3481.9531,-685.8089C3481.9531,-677.6906 3481.9531,-668.8517 3481.9531,-660.3186\"/>\n",
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       "<!-- 108 -->\n",
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       "<title>108</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3656.0733,-643C3656.0733,-643 3567.8329,-643 3567.8329,-643 3561.8329,-643 3555.8329,-637 3555.8329,-631 3555.8329,-631 3555.8329,-605 3555.8329,-605 3555.8329,-599 3561.8329,-593 3567.8329,-593 3567.8329,-593 3656.0733,-593 3656.0733,-593 3662.0733,-593 3668.0733,-599 3668.0733,-605 3668.0733,-605 3668.0733,-631 3668.0733,-631 3668.0733,-637 3662.0733,-643 3656.0733,-643\"/>\n",
       "<text text-anchor=\"middle\" x=\"3611.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"3611.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"3611.9531\" y=\"-599.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [7, 0, 0]</text>\n",
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       "<!-- 104&#45;&gt;108 -->\n",
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       "<title>104&#45;&gt;108</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3523.8015,-685.8089C3538.9573,-674.1506 3556.0448,-661.0064 3571.1127,-649.4157\"/>\n",
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       "<!-- 106 -->\n",
       "<g id=\"node107\" class=\"node\">\n",
       "<title>106</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3526.0733,-543C3526.0733,-543 3437.8329,-543 3437.8329,-543 3431.8329,-543 3425.8329,-537 3425.8329,-531 3425.8329,-531 3425.8329,-505 3425.8329,-505 3425.8329,-499 3431.8329,-493 3437.8329,-493 3437.8329,-493 3526.0733,-493 3526.0733,-493 3532.0733,-493 3538.0733,-499 3538.0733,-505 3538.0733,-505 3538.0733,-531 3538.0733,-531 3538.0733,-537 3532.0733,-543 3526.0733,-543\"/>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"3481.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 0]</text>\n",
       "</g>\n",
       "<!-- 105&#45;&gt;106 -->\n",
       "<g id=\"edge106\" class=\"edge\">\n",
       "<title>105&#45;&gt;106</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3481.9531,-585.8089C3481.9531,-575.446 3481.9531,-563.909 3481.9531,-553.3327\"/>\n",
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       "<!-- 107 -->\n",
       "<g id=\"node108\" class=\"node\">\n",
       "<title>107</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3656.0733,-543C3656.0733,-543 3567.8329,-543 3567.8329,-543 3561.8329,-543 3555.8329,-537 3555.8329,-531 3555.8329,-531 3555.8329,-505 3555.8329,-505 3555.8329,-499 3561.8329,-493 3567.8329,-493 3567.8329,-493 3656.0733,-493 3656.0733,-493 3662.0733,-493 3668.0733,-499 3668.0733,-505 3668.0733,-505 3668.0733,-531 3668.0733,-531 3668.0733,-537 3662.0733,-543 3656.0733,-543\"/>\n",
       "<text text-anchor=\"middle\" x=\"3611.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"3611.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"3611.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
       "</g>\n",
       "<!-- 105&#45;&gt;107 -->\n",
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       "<title>105&#45;&gt;107</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3523.8015,-585.8089C3538.9573,-574.1506 3556.0448,-561.0064 3571.1127,-549.4157\"/>\n",
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       "<!-- 110 -->\n",
       "<g id=\"node111\" class=\"node\">\n",
       "<title>110</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3836.7903,-750C3836.7903,-750 3663.1159,-750 3663.1159,-750 3657.1159,-750 3651.1159,-744 3651.1159,-738 3651.1159,-738 3651.1159,-698 3651.1159,-698 3651.1159,-692 3657.1159,-686 3663.1159,-686 3663.1159,-686 3836.7903,-686 3836.7903,-686 3842.7903,-686 3848.7903,-692 3848.7903,-698 3848.7903,-698 3848.7903,-738 3848.7903,-738 3848.7903,-744 3842.7903,-750 3836.7903,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"3749.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3749.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.346</text>\n",
       "<text text-anchor=\"middle\" x=\"3749.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 27</text>\n",
       "<text text-anchor=\"middle\" x=\"3749.9531\" y=\"-692.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [21, 6, 0]</text>\n",
       "</g>\n",
       "<!-- 109&#45;&gt;110 -->\n",
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       "<title>109&#45;&gt;110</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3567.1764,-785.9467C3594.9279,-775.6302 3625.8409,-764.1384 3654.2329,-753.5837\"/>\n",
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       "<!-- 131 -->\n",
       "<g id=\"node132\" class=\"node\">\n",
       "<title>131</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3967.0733,-743C3967.0733,-743 3878.8329,-743 3878.8329,-743 3872.8329,-743 3866.8329,-737 3866.8329,-731 3866.8329,-731 3866.8329,-705 3866.8329,-705 3866.8329,-699 3872.8329,-693 3878.8329,-693 3878.8329,-693 3967.0733,-693 3967.0733,-693 3973.0733,-693 3979.0733,-699 3979.0733,-705 3979.0733,-705 3979.0733,-731 3979.0733,-731 3979.0733,-737 3973.0733,-743 3967.0733,-743\"/>\n",
       "<text text-anchor=\"middle\" x=\"3922.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"3922.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 9</text>\n",
       "<text text-anchor=\"middle\" x=\"3922.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [9, 0, 0]</text>\n",
       "</g>\n",
       "<!-- 109&#45;&gt;131 -->\n",
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       "<title>109&#45;&gt;131</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3601.6168,-787.8781C3604.7573,-787.2295 3607.8736,-786.602 3610.9531,-786 3719.8301,-764.7171 3752.0066,-782.9011 3857.9531,-750 3860.9205,-749.0785 3863.9205,-748.0369 3866.9191,-746.9069\"/>\n",
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       "<!-- 111 -->\n",
       "<g id=\"node112\" class=\"node\">\n",
       "<title>111</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3918.6418,-650C3918.6418,-650 3715.2644,-650 3715.2644,-650 3709.2644,-650 3703.2644,-644 3703.2644,-638 3703.2644,-638 3703.2644,-598 3703.2644,-598 3703.2644,-592 3709.2644,-586 3715.2644,-586 3715.2644,-586 3918.6418,-586 3918.6418,-586 3924.6418,-586 3930.6418,-592 3930.6418,-598 3930.6418,-598 3930.6418,-638 3930.6418,-638 3930.6418,-644 3924.6418,-650 3918.6418,-650\"/>\n",
       "<text text-anchor=\"middle\" x=\"3816.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3816.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.311</text>\n",
       "<text text-anchor=\"middle\" x=\"3816.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 26</text>\n",
       "<text text-anchor=\"middle\" x=\"3816.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [21, 5, 0]</text>\n",
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       "<!-- 110&#45;&gt;111 -->\n",
       "<g id=\"edge111\" class=\"edge\">\n",
       "<title>110&#45;&gt;111</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3771.5211,-685.8089C3777.3191,-677.1553 3783.6655,-667.683 3789.7277,-658.635\"/>\n",
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       "<!-- 130 -->\n",
       "<g id=\"node131\" class=\"node\">\n",
       "<title>130</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4049.0733,-643C4049.0733,-643 3960.8329,-643 3960.8329,-643 3954.8329,-643 3948.8329,-637 3948.8329,-631 3948.8329,-631 3948.8329,-605 3948.8329,-605 3948.8329,-599 3954.8329,-593 3960.8329,-593 3960.8329,-593 4049.0733,-593 4049.0733,-593 4055.0733,-593 4061.0733,-599 4061.0733,-605 4061.0733,-605 4061.0733,-631 4061.0733,-631 4061.0733,-637 4055.0733,-643 4049.0733,-643\"/>\n",
       "<text text-anchor=\"middle\" x=\"4004.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4004.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"4004.9531\" y=\"-599.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<title>110&#45;&gt;130</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M3846.456,-685.8554C3876.6711,-675.1542 3909.95,-662.7057 3939.9531,-650 3942.0235,-649.1232 3944.1216,-648.2129 3946.2335,-647.278\"/>\n",
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       "<title>112</title>\n",
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       "<text text-anchor=\"middle\" x=\"3833.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"3833.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 17</text>\n",
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       "<title>111&#45;&gt;112</title>\n",
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       "<text text-anchor=\"middle\" x=\"4142.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"3507.9531\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"3606.9531\" y=\"-234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"3606.9531\" y=\"-220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
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       "<title>118</title>\n",
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       "<text text-anchor=\"middle\" x=\"3701.9531\" y=\"-134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
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       "<title>116&#45;&gt;118</title>\n",
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       "<title>119</title>\n",
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       "<title>120</title>\n",
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       "<text text-anchor=\"middle\" x=\"4193.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4193.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
       "<text text-anchor=\"middle\" x=\"4193.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
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       "<text text-anchor=\"middle\" x=\"4416.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4416.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<text text-anchor=\"middle\" x=\"3986.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"3986.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
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       "<text text-anchor=\"middle\" x=\"4205.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting nations health &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4205.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"4205.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<text text-anchor=\"middle\" x=\"4081.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<title>144&#45;&gt;145</title>\n",
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       "<!-- 146 -->\n",
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       "<title>146</title>\n",
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       "<text text-anchor=\"middle\" x=\"4211.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4211.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"4211.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 0, 2]</text>\n",
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       "<title>144&#45;&gt;146</title>\n",
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       "<!-- 149 -->\n",
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       "<title>149</title>\n",
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       "<text text-anchor=\"middle\" x=\"8159.9531\" y=\"-1434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"8159.9531\" y=\"-1420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.506</text>\n",
       "<text text-anchor=\"middle\" x=\"8159.9531\" y=\"-1406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 274</text>\n",
       "<text text-anchor=\"middle\" x=\"8159.9531\" y=\"-1392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [163, 102, 9]</text>\n",
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       "<title>148&#45;&gt;149</title>\n",
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       "<title>350</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M11911.0488,-1450C11911.0488,-1450 11722.8574,-1450 11722.8574,-1450 11716.8574,-1450 11710.8574,-1444 11710.8574,-1438 11710.8574,-1438 11710.8574,-1398 11710.8574,-1398 11710.8574,-1392 11716.8574,-1386 11722.8574,-1386 11722.8574,-1386 11911.0488,-1386 11911.0488,-1386 11917.0488,-1386 11923.0488,-1392 11923.0488,-1398 11923.0488,-1398 11923.0488,-1438 11923.0488,-1438 11923.0488,-1444 11917.0488,-1450 11911.0488,-1450\"/>\n",
       "<text text-anchor=\"middle\" x=\"11816.9531\" y=\"-1434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11816.9531\" y=\"-1420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.574</text>\n",
       "<text text-anchor=\"middle\" x=\"11816.9531\" y=\"-1406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 154</text>\n",
       "<text text-anchor=\"middle\" x=\"11816.9531\" y=\"-1392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [59, 80, 15]</text>\n",
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       "<title>148&#45;&gt;350</title>\n",
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       "<title>150</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7024.9325,-1350C7024.9325,-1350 6912.9738,-1350 6912.9738,-1350 6906.9738,-1350 6900.9738,-1344 6900.9738,-1338 6900.9738,-1338 6900.9738,-1298 6900.9738,-1298 6900.9738,-1292 6906.9738,-1286 6912.9738,-1286 6912.9738,-1286 7024.9325,-1286 7024.9325,-1286 7030.9325,-1286 7036.9325,-1292 7036.9325,-1298 7036.9325,-1298 7036.9325,-1338 7036.9325,-1338 7036.9325,-1344 7030.9325,-1350 7024.9325,-1350\"/>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.476</text>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 191</text>\n",
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       "<title>149&#45;&gt;150</title>\n",
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       "<title>285</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9254.7903,-1350C9254.7903,-1350 9081.1159,-1350 9081.1159,-1350 9075.1159,-1350 9069.1159,-1344 9069.1159,-1338 9069.1159,-1338 9069.1159,-1298 9069.1159,-1298 9069.1159,-1292 9075.1159,-1286 9081.1159,-1286 9081.1159,-1286 9254.7903,-1286 9254.7903,-1286 9260.7903,-1286 9266.7903,-1292 9266.7903,-1298 9266.7903,-1298 9266.7903,-1338 9266.7903,-1338 9266.7903,-1344 9260.7903,-1350 9254.7903,-1350\"/>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.545</text>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 83</text>\n",
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       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.506</text>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 94</text>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [54, 38, 2]</text>\n",
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       "<!-- 150&#45;&gt;151 -->\n",
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       "<title>150&#45;&gt;151</title>\n",
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       "<!-- 216 -->\n",
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       "<title>216</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7050.6524,-1250C7050.6524,-1250 6887.2538,-1250 6887.2538,-1250 6881.2538,-1250 6875.2538,-1244 6875.2538,-1238 6875.2538,-1238 6875.2538,-1198 6875.2538,-1198 6875.2538,-1192 6881.2538,-1186 6887.2538,-1186 6887.2538,-1186 7050.6524,-1186 7050.6524,-1186 7056.6524,-1186 7062.6524,-1192 7062.6524,-1198 7062.6524,-1198 7062.6524,-1238 7062.6524,-1238 7062.6524,-1244 7056.6524,-1250 7050.6524,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.427</text>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 97</text>\n",
       "<text text-anchor=\"middle\" x=\"6968.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [69, 25, 3]</text>\n",
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       "<!-- 150&#45;&gt;216 -->\n",
       "<g id=\"edge216\" class=\"edge\">\n",
       "<title>150&#45;&gt;216</title>\n",
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       "<!-- 152 -->\n",
       "<g id=\"node153\" class=\"node\">\n",
       "<title>152</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5790.6524,-1150C5790.6524,-1150 5627.2538,-1150 5627.2538,-1150 5621.2538,-1150 5615.2538,-1144 5615.2538,-1138 5615.2538,-1138 5615.2538,-1098 5615.2538,-1098 5615.2538,-1092 5621.2538,-1086 5627.2538,-1086 5627.2538,-1086 5790.6524,-1086 5790.6524,-1086 5796.6524,-1086 5802.6524,-1092 5802.6524,-1098 5802.6524,-1098 5802.6524,-1138 5802.6524,-1138 5802.6524,-1144 5796.6524,-1150 5790.6524,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.497</text>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 90</text>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [54, 34, 2]</text>\n",
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       "<!-- 151&#45;&gt;152 -->\n",
       "<g id=\"edge152\" class=\"edge\">\n",
       "<title>151&#45;&gt;152</title>\n",
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       "<!-- 215 -->\n",
       "<g id=\"node216\" class=\"node\">\n",
       "<title>215</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M6509.0733,-1143C6509.0733,-1143 6420.8329,-1143 6420.8329,-1143 6414.8329,-1143 6408.8329,-1137 6408.8329,-1131 6408.8329,-1131 6408.8329,-1105 6408.8329,-1105 6408.8329,-1099 6414.8329,-1093 6420.8329,-1093 6420.8329,-1093 6509.0733,-1093 6509.0733,-1093 6515.0733,-1093 6521.0733,-1099 6521.0733,-1105 6521.0733,-1105 6521.0733,-1131 6521.0733,-1131 6521.0733,-1137 6515.0733,-1143 6509.0733,-1143\"/>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1127.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1113.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 4</text>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-1099.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 4, 0]</text>\n",
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       "<!-- 151&#45;&gt;215 -->\n",
       "<g id=\"edge215\" class=\"edge\">\n",
       "<title>151&#45;&gt;215</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M6464.9531,-1185.8089C6464.9531,-1175.446 6464.9531,-1163.909 6464.9531,-1153.3327\"/>\n",
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       "<!-- 153 -->\n",
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       "<title>153</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5219.5452,-1050C5219.5452,-1050 4956.361,-1050 4956.361,-1050 4950.361,-1050 4944.361,-1044 4944.361,-1038 4944.361,-1038 4944.361,-998 4944.361,-998 4944.361,-992 4950.361,-986 4956.361,-986 4956.361,-986 5219.5452,-986 5219.5452,-986 5225.5452,-986 5231.5452,-992 5231.5452,-998 5231.5452,-998 5231.5452,-1038 5231.5452,-1038 5231.5452,-1044 5225.5452,-1050 5219.5452,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.411</text>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 40</text>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [29, 10, 1]</text>\n",
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       "<!-- 152&#45;&gt;153 -->\n",
       "<g id=\"edge153\" class=\"edge\">\n",
       "<title>152&#45;&gt;153</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5615.3108,-1102.9207C5516.4576,-1087.0023 5359.032,-1061.652 5241.882,-1042.7873\"/>\n",
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       "<!-- 182 -->\n",
       "<g id=\"node183\" class=\"node\">\n",
       "<title>182</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5810.6418,-1050C5810.6418,-1050 5607.2644,-1050 5607.2644,-1050 5601.2644,-1050 5595.2644,-1044 5595.2644,-1038 5595.2644,-1038 5595.2644,-998 5595.2644,-998 5595.2644,-992 5601.2644,-986 5607.2644,-986 5607.2644,-986 5810.6418,-986 5810.6418,-986 5816.6418,-986 5822.6418,-992 5822.6418,-998 5822.6418,-998 5822.6418,-1038 5822.6418,-1038 5822.6418,-1044 5816.6418,-1050 5810.6418,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.519</text>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 50</text>\n",
       "<text text-anchor=\"middle\" x=\"5708.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [25, 24, 1]</text>\n",
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       "<!-- 152&#45;&gt;182 -->\n",
       "<g id=\"edge182\" class=\"edge\">\n",
       "<title>152&#45;&gt;182</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5708.9531,-1085.8089C5708.9531,-1077.6906 5708.9531,-1068.8517 5708.9531,-1060.3186\"/>\n",
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       "<!-- 154 -->\n",
       "<g id=\"node155\" class=\"node\">\n",
       "<title>154</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4849.8594,-950C4849.8594,-950 4754.0468,-950 4754.0468,-950 4748.0468,-950 4742.0468,-944 4742.0468,-938 4742.0468,-938 4742.0468,-898 4742.0468,-898 4742.0468,-892 4748.0468,-886 4754.0468,-886 4754.0468,-886 4849.8594,-886 4849.8594,-886 4855.8594,-886 4861.8594,-892 4861.8594,-898 4861.8594,-898 4861.8594,-938 4861.8594,-938 4861.8594,-944 4855.8594,-950 4849.8594,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.331</text>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 30</text>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [24, 5, 1]</text>\n",
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       "<!-- 153&#45;&gt;154 -->\n",
       "<g id=\"edge154\" class=\"edge\">\n",
       "<title>153&#45;&gt;154</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4996.2808,-985.9467C4955.9352,-971.8399 4909.3046,-955.5355 4871.836,-942.4346\"/>\n",
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       "<!-- 175 -->\n",
       "<g id=\"node176\" class=\"node\">\n",
       "<title>175</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5218.7071,-950C5218.7071,-950 4957.1991,-950 4957.1991,-950 4951.1991,-950 4945.1991,-944 4945.1991,-938 4945.1991,-938 4945.1991,-898 4945.1991,-898 4945.1991,-892 4951.1991,-886 4957.1991,-886 4957.1991,-886 5218.7071,-886 5218.7071,-886 5224.7071,-886 5230.7071,-892 5230.7071,-898 5230.7071,-898 5230.7071,-938 5230.7071,-938 5230.7071,-944 5224.7071,-950 5218.7071,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 10</text>\n",
       "<text text-anchor=\"middle\" x=\"5087.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [5, 5, 0]</text>\n",
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       "<!-- 153&#45;&gt;175 -->\n",
       "<g id=\"edge175\" class=\"edge\">\n",
       "<title>153&#45;&gt;175</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5087.9531,-985.8089C5087.9531,-977.6906 5087.9531,-968.8517 5087.9531,-960.3186\"/>\n",
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       "<!-- 155 -->\n",
       "<g id=\"node156\" class=\"node\">\n",
       "<title>155</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4715.4926,-850C4715.4926,-850 4474.4137,-850 4474.4137,-850 4468.4137,-850 4462.4137,-844 4462.4137,-838 4462.4137,-838 4462.4137,-798 4462.4137,-798 4462.4137,-792 4468.4137,-786 4474.4137,-786 4474.4137,-786 4715.4926,-786 4715.4926,-786 4721.4926,-786 4727.4926,-792 4727.4926,-798 4727.4926,-798 4727.4926,-838 4727.4926,-838 4727.4926,-844 4721.4926,-850 4715.4926,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"4594.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Military, armaments, and defense &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4594.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.285</text>\n",
       "<text text-anchor=\"middle\" x=\"4594.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 29</text>\n",
       "<text text-anchor=\"middle\" x=\"4594.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [24, 5, 0]</text>\n",
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       "<!-- 154&#45;&gt;155 -->\n",
       "<g id=\"edge155\" class=\"edge\">\n",
       "<title>154&#45;&gt;155</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4741.8021,-888.9415C4719.5667,-878.1998 4694.0733,-865.8841 4670.6356,-854.5616\"/>\n",
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       "<!-- 174 -->\n",
       "<g id=\"node175\" class=\"node\">\n",
       "<title>174</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4846.0733,-843C4846.0733,-843 4757.8329,-843 4757.8329,-843 4751.8329,-843 4745.8329,-837 4745.8329,-831 4745.8329,-831 4745.8329,-805 4745.8329,-805 4745.8329,-799 4751.8329,-793 4757.8329,-793 4757.8329,-793 4846.0733,-793 4846.0733,-793 4852.0733,-793 4858.0733,-799 4858.0733,-805 4858.0733,-805 4858.0733,-831 4858.0733,-831 4858.0733,-837 4852.0733,-843 4846.0733,-843\"/>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"4801.9531\" y=\"-799.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 0, 1]</text>\n",
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       "<!-- 154&#45;&gt;174 -->\n",
       "<g id=\"edge174\" class=\"edge\">\n",
       "<title>154&#45;&gt;174</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4801.9531,-885.8089C4801.9531,-875.446 4801.9531,-863.909 4801.9531,-853.3327\"/>\n",
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       "<!-- 156 -->\n",
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       "<title>156</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4548.518,-750C4548.518,-750 4327.3883,-750 4327.3883,-750 4321.3883,-750 4315.3883,-744 4315.3883,-738 4315.3883,-738 4315.3883,-698 4315.3883,-698 4315.3883,-692 4321.3883,-686 4327.3883,-686 4327.3883,-686 4548.518,-686 4548.518,-686 4554.518,-686 4560.518,-692 4560.518,-698 4560.518,-698 4560.518,-738 4560.518,-738 4560.518,-744 4554.518,-750 4548.518,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.363</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 21</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-692.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [16, 5, 0]</text>\n",
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       "<g id=\"edge156\" class=\"edge\">\n",
       "<title>155&#45;&gt;156</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4544.4131,-785.8089C4529.2863,-776.174 4512.566,-765.5241 4496.9459,-755.575\"/>\n",
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       "<!-- 173 -->\n",
       "<g id=\"node174\" class=\"node\">\n",
       "<title>173</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4679.0733,-743C4679.0733,-743 4590.8329,-743 4590.8329,-743 4584.8329,-743 4578.8329,-737 4578.8329,-731 4578.8329,-731 4578.8329,-705 4578.8329,-705 4578.8329,-699 4584.8329,-693 4590.8329,-693 4590.8329,-693 4679.0733,-693 4679.0733,-693 4685.0733,-693 4691.0733,-699 4691.0733,-705 4691.0733,-705 4691.0733,-731 4691.0733,-731 4691.0733,-737 4685.0733,-743 4679.0733,-743\"/>\n",
       "<text text-anchor=\"middle\" x=\"4634.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4634.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
       "<text text-anchor=\"middle\" x=\"4634.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [8, 0, 0]</text>\n",
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       "<title>155&#45;&gt;173</title>\n",
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       "<!-- 157 -->\n",
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       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 15</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [10, 5, 0]</text>\n",
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       "<!-- 172 -->\n",
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       "<title>172</title>\n",
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       "<text text-anchor=\"middle\" x=\"4612.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4612.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 6</text>\n",
       "<text text-anchor=\"middle\" x=\"4612.9531\" y=\"-599.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [6, 0, 0]</text>\n",
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       "<title>156&#45;&gt;172</title>\n",
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       "<!-- 158 -->\n",
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       "<title>158</title>\n",
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       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.245</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"4437.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [6, 1, 0]</text>\n",
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       "<!-- 157&#45;&gt;158 -->\n",
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       "<title>157&#45;&gt;158</title>\n",
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       "<!-- 163 -->\n",
       "<g id=\"node164\" class=\"node\">\n",
       "<title>163</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4817.2494,-550C4817.2494,-550 4706.6569,-550 4706.6569,-550 4700.6569,-550 4694.6569,-544 4694.6569,-538 4694.6569,-538 4694.6569,-498 4694.6569,-498 4694.6569,-492 4700.6569,-486 4706.6569,-486 4706.6569,-486 4817.2494,-486 4817.2494,-486 4823.2494,-486 4829.2494,-492 4829.2494,-498 4829.2494,-498 4829.2494,-538 4829.2494,-538 4829.2494,-544 4823.2494,-550 4817.2494,-550\"/>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [4, 4, 0]</text>\n",
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       "<!-- 157&#45;&gt;163 -->\n",
       "<g id=\"edge163\" class=\"edge\">\n",
       "<title>157&#45;&gt;163</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4539.136,-586.7707C4586.2611,-572.2259 4641.4182,-555.2021 4685.0641,-541.7312\"/>\n",
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       "<!-- 159 -->\n",
       "<g id=\"node160\" class=\"node\">\n",
       "<title>159</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4446.0733,-443C4446.0733,-443 4357.8329,-443 4357.8329,-443 4351.8329,-443 4345.8329,-437 4345.8329,-431 4345.8329,-431 4345.8329,-405 4345.8329,-405 4345.8329,-399 4351.8329,-393 4357.8329,-393 4357.8329,-393 4446.0733,-393 4446.0733,-393 4452.0733,-393 4458.0733,-399 4458.0733,-405 4458.0733,-405 4458.0733,-431 4458.0733,-431 4458.0733,-437 4452.0733,-443 4446.0733,-443\"/>\n",
       "<text text-anchor=\"middle\" x=\"4401.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4401.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
       "<text text-anchor=\"middle\" x=\"4401.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [5, 0, 0]</text>\n",
       "</g>\n",
       "<!-- 158&#45;&gt;159 -->\n",
       "<g id=\"edge159\" class=\"edge\">\n",
       "<title>158&#45;&gt;159</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4426.3643,-485.8089C4422.556,-475.2301 4418.3071,-463.4278 4414.4354,-452.6729\"/>\n",
       "<polygon fill=\"#000000\" stroke=\"#000000\" points=\"4417.6895,-451.3789 4411.0091,-443.1555 4411.1033,-453.75 4417.6895,-451.3789\"/>\n",
       "</g>\n",
       "<!-- 160 -->\n",
       "<g id=\"node161\" class=\"node\">\n",
       "<title>160</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4676.0488,-450C4676.0488,-450 4487.8574,-450 4487.8574,-450 4481.8574,-450 4475.8574,-444 4475.8574,-438 4475.8574,-438 4475.8574,-398 4475.8574,-398 4475.8574,-392 4481.8574,-386 4487.8574,-386 4487.8574,-386 4676.0488,-386 4676.0488,-386 4682.0488,-386 4688.0488,-392 4688.0488,-398 4688.0488,-398 4688.0488,-438 4688.0488,-438 4688.0488,-444 4682.0488,-450 4676.0488,-450\"/>\n",
       "<text text-anchor=\"middle\" x=\"4581.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4581.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4581.9531\" y=\"-406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"4581.9531\" y=\"-392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 0]</text>\n",
       "</g>\n",
       "<!-- 158&#45;&gt;160 -->\n",
       "<g id=\"edge160\" class=\"edge\">\n",
       "<title>158&#45;&gt;160</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4484.3083,-485.8089C4498.0541,-476.2632 4513.2345,-465.7213 4527.4468,-455.8516\"/>\n",
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       "</g>\n",
       "<!-- 161 -->\n",
       "<g id=\"node162\" class=\"node\">\n",
       "<title>161</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4511.0733,-343C4511.0733,-343 4422.8329,-343 4422.8329,-343 4416.8329,-343 4410.8329,-337 4410.8329,-331 4410.8329,-331 4410.8329,-305 4410.8329,-305 4410.8329,-299 4416.8329,-293 4422.8329,-293 4422.8329,-293 4511.0733,-293 4511.0733,-293 4517.0733,-293 4523.0733,-299 4523.0733,-305 4523.0733,-305 4523.0733,-331 4523.0733,-331 4523.0733,-337 4517.0733,-343 4511.0733,-343\"/>\n",
       "<text text-anchor=\"middle\" x=\"4466.9531\" y=\"-327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4466.9531\" y=\"-313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"4466.9531\" y=\"-299.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
       "</g>\n",
       "<!-- 160&#45;&gt;161 -->\n",
       "<g id=\"edge161\" class=\"edge\">\n",
       "<title>160&#45;&gt;161</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4544.9334,-385.8089C4531.6505,-374.2586 4516.6903,-361.2497 4503.4519,-349.7381\"/>\n",
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       "</g>\n",
       "<!-- 162 -->\n",
       "<g id=\"node163\" class=\"node\">\n",
       "<title>162</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4641.0733,-343C4641.0733,-343 4552.8329,-343 4552.8329,-343 4546.8329,-343 4540.8329,-337 4540.8329,-331 4540.8329,-331 4540.8329,-305 4540.8329,-305 4540.8329,-299 4546.8329,-293 4552.8329,-293 4552.8329,-293 4641.0733,-293 4641.0733,-293 4647.0733,-293 4653.0733,-299 4653.0733,-305 4653.0733,-305 4653.0733,-331 4653.0733,-331 4653.0733,-337 4647.0733,-343 4641.0733,-343\"/>\n",
       "<text text-anchor=\"middle\" x=\"4596.9531\" y=\"-327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4596.9531\" y=\"-313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"4596.9531\" y=\"-299.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 0]</text>\n",
       "</g>\n",
       "<!-- 160&#45;&gt;162 -->\n",
       "<g id=\"edge162\" class=\"edge\">\n",
       "<title>160&#45;&gt;162</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4586.7818,-385.8089C4588.3362,-375.446 4590.0668,-363.909 4591.6532,-353.3327\"/>\n",
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       "<!-- 164 -->\n",
       "<g id=\"node165\" class=\"node\">\n",
       "<title>164</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4806.0733,-443C4806.0733,-443 4717.8329,-443 4717.8329,-443 4711.8329,-443 4705.8329,-437 4705.8329,-431 4705.8329,-431 4705.8329,-405 4705.8329,-405 4705.8329,-399 4711.8329,-393 4717.8329,-393 4717.8329,-393 4806.0733,-393 4806.0733,-393 4812.0733,-393 4818.0733,-399 4818.0733,-405 4818.0733,-405 4818.0733,-431 4818.0733,-431 4818.0733,-437 4812.0733,-443 4806.0733,-443\"/>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"4761.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
       "</g>\n",
       "<!-- 163&#45;&gt;164 -->\n",
       "<g id=\"edge164\" class=\"edge\">\n",
       "<title>163&#45;&gt;164</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4761.9531,-485.8089C4761.9531,-475.446 4761.9531,-463.909 4761.9531,-453.3327\"/>\n",
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       "<!-- 165 -->\n",
       "<g id=\"node166\" class=\"node\">\n",
       "<title>165</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5017.8872,-450C5017.8872,-450 4848.019,-450 4848.019,-450 4842.019,-450 4836.019,-444 4836.019,-438 4836.019,-438 4836.019,-398 4836.019,-398 4836.019,-392 4842.019,-386 4848.019,-386 4848.019,-386 5017.8872,-386 5017.8872,-386 5023.8872,-386 5029.8872,-392 5029.8872,-398 5029.8872,-398 5029.8872,-438 5029.8872,-438 5029.8872,-444 5023.8872,-450 5017.8872,-450\"/>\n",
       "<text text-anchor=\"middle\" x=\"4932.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4932.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.49</text>\n",
       "<text text-anchor=\"middle\" x=\"4932.9531\" y=\"-406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"4932.9531\" y=\"-392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [4, 3, 0]</text>\n",
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       "<g id=\"edge165\" class=\"edge\">\n",
       "<title>163&#45;&gt;165</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4816.9999,-485.8089C4833.6282,-476.0848 4852.0243,-465.3268 4869.1721,-455.2989\"/>\n",
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       "<!-- 166 -->\n",
       "<g id=\"node167\" class=\"node\">\n",
       "<title>166</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M4795.0733,-343C4795.0733,-343 4706.8329,-343 4706.8329,-343 4700.8329,-343 4694.8329,-337 4694.8329,-331 4694.8329,-331 4694.8329,-305 4694.8329,-305 4694.8329,-299 4700.8329,-293 4706.8329,-293 4706.8329,-293 4795.0733,-293 4795.0733,-293 4801.0733,-293 4807.0733,-299 4807.0733,-305 4807.0733,-305 4807.0733,-331 4807.0733,-331 4807.0733,-337 4801.0733,-343 4795.0733,-343\"/>\n",
       "<text text-anchor=\"middle\" x=\"4750.9531\" y=\"-327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"4750.9531\" y=\"-313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"4750.9531\" y=\"-299.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 0, 0]</text>\n",
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       "<g id=\"edge166\" class=\"edge\">\n",
       "<title>165&#45;&gt;166</title>\n",
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       "<title>167</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5045.3108,-350C5045.3108,-350 4836.5954,-350 4836.5954,-350 4830.5954,-350 4824.5954,-344 4824.5954,-338 4824.5954,-338 4824.5954,-298 4824.5954,-298 4824.5954,-292 4830.5954,-286 4836.5954,-286 4836.5954,-286 5045.3108,-286 5045.3108,-286 5051.3108,-286 5057.3108,-292 5057.3108,-298 5057.3108,-298 5057.3108,-338 5057.3108,-338 5057.3108,-344 5051.3108,-350 5045.3108,-350\"/>\n",
       "<text text-anchor=\"middle\" x=\"4940.9531\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4940.9531\" y=\"-320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.48</text>\n",
       "<text text-anchor=\"middle\" x=\"4940.9531\" y=\"-306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
       "<text text-anchor=\"middle\" x=\"4940.9531\" y=\"-292.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 3, 0]</text>\n",
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       "<text text-anchor=\"middle\" x=\"4879.9531\" y=\"-234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"4805.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"4805.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
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       "<title>180</title>\n",
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       "<title>178</title>\n",
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       "<title>179</title>\n",
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       "<text text-anchor=\"middle\" x=\"5560.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= &#45;0.5</text>\n",
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       "<title>184</title>\n",
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       "<text text-anchor=\"middle\" x=\"5366.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5366.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.298</text>\n",
       "<text text-anchor=\"middle\" x=\"5366.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 11</text>\n",
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       "<title>183&#45;&gt;184</title>\n",
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       "<title>193</title>\n",
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       "<text text-anchor=\"middle\" x=\"5605.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5605.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.538</text>\n",
       "<text text-anchor=\"middle\" x=\"5605.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 25</text>\n",
       "<text text-anchor=\"middle\" x=\"5605.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [12, 12, 1]</text>\n",
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       "<title>185</title>\n",
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       "<text text-anchor=\"middle\" x=\"5188.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5188.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.48</text>\n",
       "<text text-anchor=\"middle\" x=\"5188.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
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       "<title>192</title>\n",
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       "<text text-anchor=\"middle\" x=\"5400.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"5095.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5095.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"5095.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>191</title>\n",
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       "<text text-anchor=\"middle\" x=\"5236.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<title>185&#45;&gt;191</title>\n",
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       "<title>187</title>\n",
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       "<text text-anchor=\"middle\" x=\"5074.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5074.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"5074.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 0]</text>\n",
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       "<!-- 186&#45;&gt;187 -->\n",
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       "<title>186&#45;&gt;187</title>\n",
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       "<title>188</title>\n",
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       "<text text-anchor=\"middle\" x=\"5204.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5204.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5204.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"5204.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 0]</text>\n",
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       "<!-- 186&#45;&gt;188 -->\n",
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       "<title>186&#45;&gt;188</title>\n",
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       "<title>189</title>\n",
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       "<text text-anchor=\"middle\" x=\"5164.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5164.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"5164.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<!-- 188&#45;&gt;189 -->\n",
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       "<title>188&#45;&gt;189</title>\n",
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       "<title>190</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5339.0733,-443C5339.0733,-443 5250.8329,-443 5250.8329,-443 5244.8329,-443 5238.8329,-437 5238.8329,-431 5238.8329,-431 5238.8329,-405 5238.8329,-405 5238.8329,-399 5244.8329,-393 5250.8329,-393 5250.8329,-393 5339.0733,-393 5339.0733,-393 5345.0733,-393 5351.0733,-399 5351.0733,-405 5351.0733,-405 5351.0733,-431 5351.0733,-431 5351.0733,-437 5345.0733,-443 5339.0733,-443\"/>\n",
       "<text text-anchor=\"middle\" x=\"5294.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5294.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<title>194</title>\n",
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       "<text text-anchor=\"middle\" x=\"5590.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5590.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.533</text>\n",
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       "<title>193&#45;&gt;194</title>\n",
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       "<title>209</title>\n",
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       "<title>193&#45;&gt;209</title>\n",
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       "<text text-anchor=\"middle\" x=\"5386.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<title>196</title>\n",
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       "<text text-anchor=\"middle\" x=\"5597.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5597.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.515</text>\n",
       "<text text-anchor=\"middle\" x=\"5597.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 20</text>\n",
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       "<text text-anchor=\"middle\" x=\"5445.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5445.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.547</text>\n",
       "<text text-anchor=\"middle\" x=\"5445.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 17</text>\n",
       "<text text-anchor=\"middle\" x=\"5445.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [9, 7, 1]</text>\n",
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       "<title>196&#45;&gt;197</title>\n",
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       "<title>208</title>\n",
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       "<text text-anchor=\"middle\" x=\"5663.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5663.9531\" y=\"-513.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"5663.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 0, 0]</text>\n",
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       "<title>196&#45;&gt;208</title>\n",
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       "<title>198</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5486.1966,-450C5486.1966,-450 5397.7097,-450 5397.7097,-450 5391.7097,-450 5385.7097,-444 5385.7097,-438 5385.7097,-438 5385.7097,-398 5385.7097,-398 5385.7097,-392 5391.7097,-386 5397.7097,-386 5397.7097,-386 5486.1966,-386 5486.1966,-386 5492.1966,-386 5498.1966,-392 5498.1966,-398 5498.1966,-398 5498.1966,-438 5498.1966,-438 5498.1966,-444 5492.1966,-450 5486.1966,-450\"/>\n",
       "<text text-anchor=\"middle\" x=\"5441.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5441.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"5441.9531\" y=\"-406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 12</text>\n",
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       "<title>197&#45;&gt;198</title>\n",
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       "<!-- 203 -->\n",
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       "<title>203</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5806.345,-450C5806.345,-450 5527.5613,-450 5527.5613,-450 5521.5613,-450 5515.5613,-444 5515.5613,-438 5515.5613,-438 5515.5613,-398 5515.5613,-398 5515.5613,-392 5521.5613,-386 5527.5613,-386 5527.5613,-386 5806.345,-386 5806.345,-386 5812.345,-386 5818.345,-392 5818.345,-398 5818.345,-398 5818.345,-438 5818.345,-438 5818.345,-444 5812.345,-450 5806.345,-450\"/>\n",
       "<text text-anchor=\"middle\" x=\"5666.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5666.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.56</text>\n",
       "<text text-anchor=\"middle\" x=\"5666.9531\" y=\"-406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
       "<text text-anchor=\"middle\" x=\"5666.9531\" y=\"-392.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 3, 1]</text>\n",
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       "<!-- 197&#45;&gt;203 -->\n",
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       "<title>197&#45;&gt;203</title>\n",
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       "<title>199</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5386.7071,-350C5386.7071,-350 5125.1991,-350 5125.1991,-350 5119.1991,-350 5113.1991,-344 5113.1991,-338 5113.1991,-338 5113.1991,-298 5113.1991,-298 5113.1991,-292 5119.1991,-286 5125.1991,-286 5125.1991,-286 5386.7071,-286 5386.7071,-286 5392.7071,-286 5398.7071,-292 5398.7071,-298 5398.7071,-298 5398.7071,-338 5398.7071,-338 5398.7071,-344 5392.7071,-350 5386.7071,-350\"/>\n",
       "<text text-anchor=\"middle\" x=\"5255.9531\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"5255.9531\" y=\"-320.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"5255.9531\" y=\"-306.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 6</text>\n",
       "<text text-anchor=\"middle\" x=\"5255.9531\" y=\"-292.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 4, 0]</text>\n",
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       "<title>198&#45;&gt;199</title>\n",
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       "<title>202</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5517.0733,-343C5517.0733,-343 5428.8329,-343 5428.8329,-343 5422.8329,-343 5416.8329,-337 5416.8329,-331 5416.8329,-331 5416.8329,-305 5416.8329,-305 5416.8329,-299 5422.8329,-293 5428.8329,-293 5428.8329,-293 5517.0733,-293 5517.0733,-293 5523.0733,-293 5529.0733,-299 5529.0733,-305 5529.0733,-305 5529.0733,-331 5529.0733,-331 5529.0733,-337 5523.0733,-343 5517.0733,-343\"/>\n",
       "<text text-anchor=\"middle\" x=\"5472.9531\" y=\"-327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5472.9531\" y=\"-313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 6</text>\n",
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       "<!-- 198&#45;&gt;202 -->\n",
       "<g id=\"edge202\" class=\"edge\">\n",
       "<title>198&#45;&gt;202</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5451.9324,-385.8089C5455.1783,-375.338 5458.7959,-363.6685 5462.1024,-353.0025\"/>\n",
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       "<title>200</title>\n",
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       "<text text-anchor=\"middle\" x=\"5250.9531\" y=\"-227.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5250.9531\" y=\"-213.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 4</text>\n",
       "<text text-anchor=\"middle\" x=\"5250.9531\" y=\"-199.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 4, 0]</text>\n",
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       "<!-- 199&#45;&gt;200 -->\n",
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       "<title>199&#45;&gt;200</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5254.3436,-285.8089C5253.8254,-275.446 5253.2486,-263.909 5252.7198,-253.3327\"/>\n",
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       "<title>201</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M5425.0733,-243C5425.0733,-243 5336.8329,-243 5336.8329,-243 5330.8329,-243 5324.8329,-237 5324.8329,-231 5324.8329,-231 5324.8329,-205 5324.8329,-205 5324.8329,-199 5330.8329,-193 5336.8329,-193 5336.8329,-193 5425.0733,-193 5425.0733,-193 5431.0733,-193 5437.0733,-199 5437.0733,-205 5437.0733,-205 5437.0733,-231 5437.0733,-231 5437.0733,-237 5431.0733,-243 5425.0733,-243\"/>\n",
       "<text text-anchor=\"middle\" x=\"5380.9531\" y=\"-227.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5380.9531\" y=\"-213.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
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       "<title>204</title>\n",
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       "<text text-anchor=\"middle\" x=\"5658.9531\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
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       "<title>203&#45;&gt;204</title>\n",
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       "<title>207</title>\n",
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       "<text text-anchor=\"middle\" x=\"6000.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"6829.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
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       "<title>216&#45;&gt;217</title>\n",
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       "<title>248</title>\n",
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       "<text text-anchor=\"middle\" x=\"7176.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"6470.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= 0.5</text>\n",
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       "<title>217&#45;&gt;218</title>\n",
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       "<text text-anchor=\"middle\" x=\"6829.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"6256.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6256.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.569</text>\n",
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       "<text text-anchor=\"middle\" x=\"6491.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6491.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.34</text>\n",
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       "<text text-anchor=\"middle\" x=\"6252.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"6252.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 9</text>\n",
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       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"6464.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<text text-anchor=\"middle\" x=\"6022.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6022.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.408</text>\n",
       "<text text-anchor=\"middle\" x=\"6022.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
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       "<text text-anchor=\"middle\" x=\"6274.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6274.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6274.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"6274.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 1]</text>\n",
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       "<title>221&#45;&gt;229</title>\n",
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       "<title>223</title>\n",
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       "<text text-anchor=\"middle\" x=\"5837.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"5837.9531\" y=\"-499.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 3, 0]</text>\n",
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       "<!-- 222&#45;&gt;223 -->\n",
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       "<title>222&#45;&gt;223</title>\n",
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       "<title>224</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M6165.4926,-550C6165.4926,-550 5924.4137,-550 5924.4137,-550 5918.4137,-550 5912.4137,-544 5912.4137,-538 5912.4137,-538 5912.4137,-498 5912.4137,-498 5912.4137,-492 5918.4137,-486 5924.4137,-486 5924.4137,-486 6165.4926,-486 6165.4926,-486 6171.4926,-486 6177.4926,-492 6177.4926,-498 6177.4926,-498 6177.4926,-538 6177.4926,-538 6177.4926,-544 6171.4926,-550 6165.4926,-550\"/>\n",
       "<text text-anchor=\"middle\" x=\"6044.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Military, armaments, and defense &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6044.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6044.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 4</text>\n",
       "<text text-anchor=\"middle\" x=\"6044.9531\" y=\"-492.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 2, 0]</text>\n",
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       "<title>222&#45;&gt;224</title>\n",
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       "<text text-anchor=\"middle\" x=\"5979.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"5979.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"5979.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<title>224&#45;&gt;225</title>\n",
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       "<title>226</title>\n",
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       "<text text-anchor=\"middle\" x=\"6109.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"6109.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
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       "<text text-anchor=\"middle\" x=\"6876.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6876.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"6876.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<text text-anchor=\"middle\" x=\"6854.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"6854.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 0, 0]</text>\n",
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       "<title>244&#45;&gt;245</title>\n",
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       "<text text-anchor=\"middle\" x=\"6984.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<title>244&#45;&gt;246</title>\n",
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       "<title>249</title>\n",
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       "<text text-anchor=\"middle\" x=\"7176.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7176.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.087</text>\n",
       "<text text-anchor=\"middle\" x=\"7176.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 22</text>\n",
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       "<title>248&#45;&gt;249</title>\n",
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       "<!-- 254 -->\n",
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       "<title>254</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7650.7903,-1050C7650.7903,-1050 7477.1159,-1050 7477.1159,-1050 7471.1159,-1050 7465.1159,-1044 7465.1159,-1038 7465.1159,-1038 7465.1159,-998 7465.1159,-998 7465.1159,-992 7471.1159,-986 7477.1159,-986 7477.1159,-986 7650.7903,-986 7650.7903,-986 7656.7903,-986 7662.7903,-992 7662.7903,-998 7662.7903,-998 7662.7903,-1038 7662.7903,-1038 7662.7903,-1044 7656.7903,-1050 7650.7903,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.393</text>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 39</text>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [29, 9, 1]</text>\n",
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       "<!-- 248&#45;&gt;254 -->\n",
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       "<title>248&#45;&gt;254</title>\n",
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       "<!-- 250 -->\n",
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       "<title>250</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7076.8594,-943C7076.8594,-943 6981.0468,-943 6981.0468,-943 6975.0468,-943 6969.0468,-937 6969.0468,-931 6969.0468,-931 6969.0468,-905 6969.0468,-905 6969.0468,-899 6975.0468,-893 6981.0468,-893 6981.0468,-893 7076.8594,-893 7076.8594,-893 7082.8594,-893 7088.8594,-899 7088.8594,-905 7088.8594,-905 7088.8594,-931 7088.8594,-931 7088.8594,-937 7082.8594,-943 7076.8594,-943\"/>\n",
       "<text text-anchor=\"middle\" x=\"7028.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<title>249&#45;&gt;250</title>\n",
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       "<title>251</title>\n",
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       "<text text-anchor=\"middle\" x=\"7255.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"7255.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7255.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
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       "<title>249&#45;&gt;251</title>\n",
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       "<title>252</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7118.0733,-843C7118.0733,-843 7029.8329,-843 7029.8329,-843 7023.8329,-843 7017.8329,-837 7017.8329,-831 7017.8329,-831 7017.8329,-805 7017.8329,-805 7017.8329,-799 7023.8329,-793 7029.8329,-793 7029.8329,-793 7118.0733,-793 7118.0733,-793 7124.0733,-793 7130.0733,-799 7130.0733,-805 7130.0733,-805 7130.0733,-831 7130.0733,-831 7130.0733,-837 7124.0733,-843 7118.0733,-843\"/>\n",
       "<text text-anchor=\"middle\" x=\"7073.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"7073.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<title>251&#45;&gt;252</title>\n",
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       "<title>253</title>\n",
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       "<text text-anchor=\"middle\" x=\"7203.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"7203.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"7203.9531\" y=\"-799.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 0]</text>\n",
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       "<g id=\"edge253\" class=\"edge\">\n",
       "<title>251&#45;&gt;253</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7239.2138,-885.8089C7233.6566,-875.1221 7227.4503,-863.1868 7221.812,-852.344\"/>\n",
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       "<title>255</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7611.8594,-950C7611.8594,-950 7516.0468,-950 7516.0468,-950 7510.0468,-950 7504.0468,-944 7504.0468,-938 7504.0468,-938 7504.0468,-898 7504.0468,-898 7504.0468,-892 7510.0468,-886 7516.0468,-886 7516.0468,-886 7611.8594,-886 7611.8594,-886 7617.8594,-886 7623.8594,-892 7623.8594,-898 7623.8594,-898 7623.8594,-938 7623.8594,-938 7623.8594,-944 7617.8594,-950 7611.8594,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.346</text>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 36</text>\n",
       "<text text-anchor=\"middle\" x=\"7563.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [28, 8, 0]</text>\n",
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       "<title>254&#45;&gt;255</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7563.9531,-985.8089C7563.9531,-977.6906 7563.9531,-968.8517 7563.9531,-960.3186\"/>\n",
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       "<title>280</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M8022.7071,-950C8022.7071,-950 7761.1991,-950 7761.1991,-950 7755.1991,-950 7749.1991,-944 7749.1991,-938 7749.1991,-938 7749.1991,-898 7749.1991,-898 7749.1991,-892 7755.1991,-886 7761.1991,-886 7761.1991,-886 8022.7071,-886 8022.7071,-886 8028.7071,-886 8034.7071,-892 8034.7071,-898 8034.7071,-898 8034.7071,-938 8034.7071,-938 8034.7071,-944 8028.7071,-950 8022.7071,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"7891.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7891.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.667</text>\n",
       "<text text-anchor=\"middle\" x=\"7891.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"7891.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 1]</text>\n",
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       "<title>254&#45;&gt;280</title>\n",
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       "<text text-anchor=\"middle\" x=\"7393.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7393.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.432</text>\n",
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       "<title>255&#45;&gt;256</title>\n",
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       "<text text-anchor=\"middle\" x=\"7643.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"7155.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"6950.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"6950.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
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       "<text text-anchor=\"middle\" x=\"7161.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7161.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.463</text>\n",
       "<text text-anchor=\"middle\" x=\"7161.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 11</text>\n",
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       "<title>260</title>\n",
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       "<text text-anchor=\"middle\" x=\"7066.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7066.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.42</text>\n",
       "<text text-anchor=\"middle\" x=\"7066.9531\" y=\"-506.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 10</text>\n",
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       "<title>271</title>\n",
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       "<text text-anchor=\"middle\" x=\"7256.9531\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<title>261</title>\n",
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       "<text text-anchor=\"middle\" x=\"6915.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"6915.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"6915.9531\" y=\"-406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>260&#45;&gt;261</title>\n",
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       "<title>264</title>\n",
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       "<text text-anchor=\"middle\" x=\"7217.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Military, armaments, and defense &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"7217.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.245</text>\n",
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       "<title>260&#45;&gt;264</title>\n",
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       "<title>262</title>\n",
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       "<title>265</title>\n",
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       "<text text-anchor=\"middle\" x=\"7668.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= &#45;0.5</text>\n",
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       "<title>280&#45;&gt;281</title>\n",
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       "<text text-anchor=\"middle\" x=\"8079.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"7880.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"7880.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"7880.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
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       "<!-- 281&#45;&gt;282 -->\n",
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       "<title>281&#45;&gt;282</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7888.4121,-785.8089C7887.2722,-775.446 7886.0031,-763.909 7884.8397,-753.3327\"/>\n",
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       "<!-- 283 -->\n",
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       "<title>283</title>\n",
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       "<text text-anchor=\"middle\" x=\"8010.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"8010.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"8010.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 0, 1]</text>\n",
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       "<!-- 281&#45;&gt;283 -->\n",
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       "<title>281&#45;&gt;283</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M7930.2605,-785.8089C7944.0054,-774.2586 7959.486,-761.2497 7973.1848,-749.7381\"/>\n",
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       "<!-- 286 -->\n",
       "<g id=\"node287\" class=\"node\">\n",
       "<title>286</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9288.4926,-1250C9288.4926,-1250 9047.4137,-1250 9047.4137,-1250 9041.4137,-1250 9035.4137,-1244 9035.4137,-1238 9035.4137,-1238 9035.4137,-1198 9035.4137,-1198 9035.4137,-1192 9041.4137,-1186 9047.4137,-1186 9047.4137,-1186 9288.4926,-1186 9288.4926,-1186 9294.4926,-1186 9300.4926,-1192 9300.4926,-1198 9300.4926,-1198 9300.4926,-1238 9300.4926,-1238 9300.4926,-1244 9294.4926,-1250 9288.4926,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Military, armaments, and defense &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.547</text>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 77</text>\n",
       "<text text-anchor=\"middle\" x=\"9167.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [35, 38, 4]</text>\n",
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       "<!-- 285&#45;&gt;286 -->\n",
       "<g id=\"edge286\" class=\"edge\">\n",
       "<title>285&#45;&gt;286</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9167.9531,-1285.8089C9167.9531,-1277.6906 9167.9531,-1268.8517 9167.9531,-1260.3186\"/>\n",
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       "<!-- 347 -->\n",
       "<g id=\"node348\" class=\"node\">\n",
       "<title>347</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9584.3555,-1250C9584.3555,-1250 9367.5508,-1250 9367.5508,-1250 9361.5508,-1250 9355.5508,-1244 9355.5508,-1238 9355.5508,-1238 9355.5508,-1198 9355.5508,-1198 9355.5508,-1192 9361.5508,-1186 9367.5508,-1186 9367.5508,-1186 9584.3555,-1186 9584.3555,-1186 9590.3555,-1186 9596.3555,-1192 9596.3555,-1198 9596.3555,-1198 9596.3555,-1238 9596.3555,-1238 9596.3555,-1244 9590.3555,-1250 9584.3555,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"9475.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9475.9531\" y=\"-1220.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.278</text>\n",
       "<text text-anchor=\"middle\" x=\"9475.9531\" y=\"-1206.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 6</text>\n",
       "<text text-anchor=\"middle\" x=\"9475.9531\" y=\"-1192.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [5, 1, 0]</text>\n",
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       "<!-- 285&#45;&gt;347 -->\n",
       "<g id=\"edge347\" class=\"edge\">\n",
       "<title>285&#45;&gt;347</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9266.6771,-1285.9467C9298.8665,-1275.4956 9334.7709,-1263.8384 9367.6258,-1253.1712\"/>\n",
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       "<!-- 287 -->\n",
       "<g id=\"node288\" class=\"node\">\n",
       "<title>287</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9231.6418,-1150C9231.6418,-1150 9028.2644,-1150 9028.2644,-1150 9022.2644,-1150 9016.2644,-1144 9016.2644,-1138 9016.2644,-1138 9016.2644,-1098 9016.2644,-1098 9016.2644,-1092 9022.2644,-1086 9028.2644,-1086 9028.2644,-1086 9231.6418,-1086 9231.6418,-1086 9237.6418,-1086 9243.6418,-1092 9243.6418,-1098 9243.6418,-1098 9243.6418,-1138 9243.6418,-1138 9243.6418,-1144 9237.6418,-1150 9231.6418,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.517</text>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 34</text>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [19, 14, 1]</text>\n",
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       "<!-- 286&#45;&gt;287 -->\n",
       "<g id=\"edge287\" class=\"edge\">\n",
       "<title>286&#45;&gt;287</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9155.7205,-1185.8089C9152.5677,-1177.5122 9149.129,-1168.4628 9145.8206,-1159.7565\"/>\n",
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       "<!-- 318 -->\n",
       "<g id=\"node319\" class=\"node\">\n",
       "<title>318</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9389.5874,-1150C9389.5874,-1150 9284.3188,-1150 9284.3188,-1150 9278.3188,-1150 9272.3188,-1144 9272.3188,-1138 9272.3188,-1138 9272.3188,-1098 9272.3188,-1098 9272.3188,-1092 9278.3188,-1086 9284.3188,-1086 9284.3188,-1086 9389.5874,-1086 9389.5874,-1086 9395.5874,-1086 9401.5874,-1092 9401.5874,-1098 9401.5874,-1098 9401.5874,-1138 9401.5874,-1138 9401.5874,-1144 9395.5874,-1150 9389.5874,-1150\"/>\n",
       "<text text-anchor=\"middle\" x=\"9336.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9336.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.545</text>\n",
       "<text text-anchor=\"middle\" x=\"9336.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 43</text>\n",
       "<text text-anchor=\"middle\" x=\"9336.9531\" y=\"-1092.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [16, 24, 3]</text>\n",
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       "<!-- 286&#45;&gt;318 -->\n",
       "<g id=\"edge318\" class=\"edge\">\n",
       "<title>286&#45;&gt;318</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9222.356,-1185.8089C9238.7899,-1176.0848 9256.9708,-1165.3268 9273.9181,-1155.2989\"/>\n",
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       "<!-- 288 -->\n",
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       "<title>288</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M8960.3108,-1050C8960.3108,-1050 8751.5954,-1050 8751.5954,-1050 8745.5954,-1050 8739.5954,-1044 8739.5954,-1038 8739.5954,-1038 8739.5954,-998 8739.5954,-998 8739.5954,-992 8745.5954,-986 8751.5954,-986 8751.5954,-986 8960.3108,-986 8960.3108,-986 8966.3108,-986 8972.3108,-992 8972.3108,-998 8972.3108,-998 8972.3108,-1038 8972.3108,-1038 8972.3108,-1044 8966.3108,-1050 8960.3108,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"8855.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"8855.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.536</text>\n",
       "<text text-anchor=\"middle\" x=\"8855.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 26</text>\n",
       "<text text-anchor=\"middle\" x=\"8855.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [12, 13, 1]</text>\n",
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       "<!-- 287&#45;&gt;288 -->\n",
       "<g id=\"edge288\" class=\"edge\">\n",
       "<title>287&#45;&gt;288</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9042.1272,-1085.9467C9013.8599,-1075.6302 8982.3723,-1064.1384 8953.4525,-1053.5837\"/>\n",
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       "<!-- 315 -->\n",
       "<g id=\"node316\" class=\"node\">\n",
       "<title>315</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9257.4727,-1050C9257.4727,-1050 9002.4336,-1050 9002.4336,-1050 8996.4336,-1050 8990.4336,-1044 8990.4336,-1038 8990.4336,-1038 8990.4336,-998 8990.4336,-998 8990.4336,-992 8996.4336,-986 9002.4336,-986 9002.4336,-986 9257.4727,-986 9257.4727,-986 9263.4727,-986 9269.4727,-992 9269.4727,-998 9269.4727,-998 9269.4727,-1038 9269.4727,-1038 9269.4727,-1044 9263.4727,-1050 9257.4727,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.219</text>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
       "<text text-anchor=\"middle\" x=\"9129.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [7, 1, 0]</text>\n",
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       "<!-- 287&#45;&gt;315 -->\n",
       "<g id=\"edge315\" class=\"edge\">\n",
       "<title>287&#45;&gt;315</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9129.9531,-1085.8089C9129.9531,-1077.6906 9129.9531,-1068.8517 9129.9531,-1060.3186\"/>\n",
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       "<!-- 289 -->\n",
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       "<title>289</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M8666.0488,-950C8666.0488,-950 8477.8574,-950 8477.8574,-950 8471.8574,-950 8465.8574,-944 8465.8574,-938 8465.8574,-938 8465.8574,-898 8465.8574,-898 8465.8574,-892 8471.8574,-886 8477.8574,-886 8477.8574,-886 8666.0488,-886 8666.0488,-886 8672.0488,-886 8678.0488,-892 8678.0488,-898 8678.0488,-898 8678.0488,-938 8678.0488,-938 8678.0488,-944 8672.0488,-950 8666.0488,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"8571.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"8571.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.475</text>\n",
       "<text text-anchor=\"middle\" x=\"8571.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 18</text>\n",
       "<text text-anchor=\"middle\" x=\"8571.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [11, 7, 0]</text>\n",
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       "<!-- 288&#45;&gt;289 -->\n",
       "<g id=\"edge289\" class=\"edge\">\n",
       "<title>288&#45;&gt;289</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M8764.9219,-985.9467C8735.4955,-975.5854 8702.7023,-964.0384 8672.6201,-953.4461\"/>\n",
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       "<!-- 308 -->\n",
       "<g id=\"node309\" class=\"node\">\n",
       "<title>308</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M8908.0733,-950C8908.0733,-950 8819.8329,-950 8819.8329,-950 8813.8329,-950 8807.8329,-944 8807.8329,-938 8807.8329,-938 8807.8329,-898 8807.8329,-898 8807.8329,-892 8813.8329,-886 8819.8329,-886 8819.8329,-886 8908.0733,-886 8908.0733,-886 8914.0733,-886 8920.0733,-892 8920.0733,-898 8920.0733,-898 8920.0733,-938 8920.0733,-938 8920.0733,-944 8914.0733,-950 8908.0733,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"8863.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"8863.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.406</text>\n",
       "<text text-anchor=\"middle\" x=\"8863.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
       "<text text-anchor=\"middle\" x=\"8863.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 6, 1]</text>\n",
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       "<title>288&#45;&gt;308</title>\n",
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       "<title>290</title>\n",
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       "<text text-anchor=\"middle\" x=\"8281.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"8571.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"8185.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"8000.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"8278.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
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       "<title>297</title>\n",
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       "<text text-anchor=\"middle\" x=\"8397.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"8397.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
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       "<text text-anchor=\"middle\" x=\"8528.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"8863.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"8867.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
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       "<title>313</title>\n",
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       "<text text-anchor=\"middle\" x=\"9021.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"9021.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<!-- 315&#45;&gt;316 -->\n",
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       "<title>315&#45;&gt;316</title>\n",
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       "<!-- 317 -->\n",
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       "<title>317</title>\n",
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       "<text text-anchor=\"middle\" x=\"9151.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"9151.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 7</text>\n",
       "<text text-anchor=\"middle\" x=\"9151.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [7, 0, 0]</text>\n",
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       "<title>315&#45;&gt;317</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9137.0352,-985.8089C9139.3388,-975.338 9141.906,-963.6685 9144.2526,-953.0025\"/>\n",
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       "<!-- 319 -->\n",
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       "<title>319</title>\n",
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       "<text text-anchor=\"middle\" x=\"9346.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9346.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.574</text>\n",
       "<text text-anchor=\"middle\" x=\"9346.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 22</text>\n",
       "<text text-anchor=\"middle\" x=\"9346.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [11, 9, 2]</text>\n",
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       "<!-- 318&#45;&gt;319 -->\n",
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       "<title>318&#45;&gt;319</title>\n",
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       "<!-- 338 -->\n",
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       "<title>338</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9992.0941,-1050C9992.0941,-1050 9809.8122,-1050 9809.8122,-1050 9803.8122,-1050 9797.8122,-1044 9797.8122,-1038 9797.8122,-1038 9797.8122,-998 9797.8122,-998 9797.8122,-992 9803.8122,-986 9809.8122,-986 9809.8122,-986 9992.0941,-986 9992.0941,-986 9998.0941,-986 10004.0941,-992 10004.0941,-998 10004.0941,-998 10004.0941,-1038 10004.0941,-1038 10004.0941,-1044 9998.0941,-1050 9992.0941,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"9900.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9900.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.431</text>\n",
       "<text text-anchor=\"middle\" x=\"9900.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 21</text>\n",
       "<text text-anchor=\"middle\" x=\"9900.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [5, 15, 1]</text>\n",
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       "<!-- 318&#45;&gt;338 -->\n",
       "<g id=\"edge338\" class=\"edge\">\n",
       "<title>318&#45;&gt;338</title>\n",
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       "<!-- 320 -->\n",
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       "<title>320</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9421.9908,-950C9421.9908,-950 9263.9154,-950 9263.9154,-950 9257.9154,-950 9251.9154,-944 9251.9154,-938 9251.9154,-938 9251.9154,-898 9251.9154,-898 9251.9154,-892 9257.9154,-886 9263.9154,-886 9263.9154,-886 9421.9908,-886 9421.9908,-886 9427.9908,-886 9433.9908,-892 9433.9908,-898 9433.9908,-898 9433.9908,-938 9433.9908,-938 9433.9908,-944 9427.9908,-950 9421.9908,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"9342.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9342.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.526</text>\n",
       "<text text-anchor=\"middle\" x=\"9342.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 19</text>\n",
       "<text text-anchor=\"middle\" x=\"9342.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [11, 7, 1]</text>\n",
       "</g>\n",
       "<!-- 319&#45;&gt;320 -->\n",
       "<g id=\"edge320\" class=\"edge\">\n",
       "<title>319&#45;&gt;320</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9345.6655,-985.8089C9345.3407,-977.6906 9344.9872,-968.8517 9344.6459,-960.3186\"/>\n",
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       "<!-- 335 -->\n",
       "<g id=\"node336\" class=\"node\">\n",
       "<title>335</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9647.0941,-950C9647.0941,-950 9464.8122,-950 9464.8122,-950 9458.8122,-950 9452.8122,-944 9452.8122,-938 9452.8122,-938 9452.8122,-898 9452.8122,-898 9452.8122,-892 9458.8122,-886 9464.8122,-886 9464.8122,-886 9647.0941,-886 9647.0941,-886 9653.0941,-886 9659.0941,-892 9659.0941,-898 9659.0941,-898 9659.0941,-938 9659.0941,-938 9659.0941,-944 9653.0941,-950 9647.0941,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"9555.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9555.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"9555.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"9555.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 2, 1]</text>\n",
       "</g>\n",
       "<!-- 319&#45;&gt;335 -->\n",
       "<g id=\"edge335\" class=\"edge\">\n",
       "<title>319&#45;&gt;335</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9406.5644,-989.4778C9429.3524,-978.5745 9455.6566,-965.9888 9479.7819,-954.4456\"/>\n",
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       "<!-- 321 -->\n",
       "<g id=\"node322\" class=\"node\">\n",
       "<title>321</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9335.0488,-850C9335.0488,-850 9146.8574,-850 9146.8574,-850 9140.8574,-850 9134.8574,-844 9134.8574,-838 9134.8574,-838 9134.8574,-798 9134.8574,-798 9134.8574,-792 9140.8574,-786 9146.8574,-786 9146.8574,-786 9335.0488,-786 9335.0488,-786 9341.0488,-786 9347.0488,-792 9347.0488,-798 9347.0488,-798 9347.0488,-838 9347.0488,-838 9347.0488,-844 9341.0488,-850 9335.0488,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"9240.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Assistance for childcare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9240.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.475</text>\n",
       "<text text-anchor=\"middle\" x=\"9240.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 18</text>\n",
       "<text text-anchor=\"middle\" x=\"9240.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [11, 7, 0]</text>\n",
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       "<!-- 320&#45;&gt;321 -->\n",
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       "<title>320&#45;&gt;321</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9310.1182,-885.8089C9300.8366,-876.7092 9290.6315,-866.7043 9280.9773,-857.2394\"/>\n",
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       "<!-- 334 -->\n",
       "<g id=\"node335\" class=\"node\">\n",
       "<title>334</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9465.0733,-843C9465.0733,-843 9376.8329,-843 9376.8329,-843 9370.8329,-843 9364.8329,-837 9364.8329,-831 9364.8329,-831 9364.8329,-805 9364.8329,-805 9364.8329,-799 9370.8329,-793 9376.8329,-793 9376.8329,-793 9465.0733,-793 9465.0733,-793 9471.0733,-793 9477.0733,-799 9477.0733,-805 9477.0733,-805 9477.0733,-831 9477.0733,-831 9477.0733,-837 9471.0733,-843 9465.0733,-843\"/>\n",
       "<text text-anchor=\"middle\" x=\"9420.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"9420.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"9420.9531\" y=\"-799.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 0, 1]</text>\n",
       "</g>\n",
       "<!-- 320&#45;&gt;334 -->\n",
       "<g id=\"edge334\" class=\"edge\">\n",
       "<title>320&#45;&gt;334</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9368.0622,-885.8089C9376.6504,-874.7983 9386.2725,-862.4623 9394.9313,-851.3614\"/>\n",
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       "<!-- 322 -->\n",
       "<g id=\"node323\" class=\"node\">\n",
       "<title>322</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9328.6486,-750C9328.6486,-750 9125.2576,-750 9125.2576,-750 9119.2576,-750 9113.2576,-744 9113.2576,-738 9113.2576,-738 9113.2576,-698 9113.2576,-698 9113.2576,-692 9119.2576,-686 9125.2576,-686 9125.2576,-686 9328.6486,-686 9328.6486,-686 9334.6486,-686 9340.6486,-692 9340.6486,-698 9340.6486,-698 9340.6486,-738 9340.6486,-738 9340.6486,-744 9334.6486,-750 9328.6486,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"9226.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9226.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.498</text>\n",
       "<text text-anchor=\"middle\" x=\"9226.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 15</text>\n",
       "<text text-anchor=\"middle\" x=\"9226.9531\" y=\"-692.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [8, 7, 0]</text>\n",
       "</g>\n",
       "<!-- 321&#45;&gt;322 -->\n",
       "<g id=\"edge322\" class=\"edge\">\n",
       "<title>321&#45;&gt;322</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9236.4464,-785.8089C9235.2973,-777.6014 9234.0452,-768.6574 9232.8384,-760.0374\"/>\n",
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       "<!-- 333 -->\n",
       "<g id=\"node334\" class=\"node\">\n",
       "<title>333</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9459.0733,-743C9459.0733,-743 9370.8329,-743 9370.8329,-743 9364.8329,-743 9358.8329,-737 9358.8329,-731 9358.8329,-731 9358.8329,-705 9358.8329,-705 9358.8329,-699 9364.8329,-693 9370.8329,-693 9370.8329,-693 9459.0733,-693 9459.0733,-693 9465.0733,-693 9471.0733,-699 9471.0733,-705 9471.0733,-705 9471.0733,-731 9471.0733,-731 9471.0733,-737 9465.0733,-743 9459.0733,-743\"/>\n",
       "<text text-anchor=\"middle\" x=\"9414.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"9414.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
       "<text text-anchor=\"middle\" x=\"9414.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 0, 0]</text>\n",
       "</g>\n",
       "<!-- 321&#45;&gt;333 -->\n",
       "<g id=\"edge333\" class=\"edge\">\n",
       "<title>321&#45;&gt;333</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9296.9656,-785.8089C9317.9084,-773.7728 9341.607,-760.1529 9362.2419,-748.2938\"/>\n",
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       "<!-- 323 -->\n",
       "<g id=\"node324\" class=\"node\">\n",
       "<title>323</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9215.6524,-650C9215.6524,-650 9052.2538,-650 9052.2538,-650 9046.2538,-650 9040.2538,-644 9040.2538,-638 9040.2538,-638 9040.2538,-598 9040.2538,-598 9040.2538,-592 9046.2538,-586 9052.2538,-586 9052.2538,-586 9215.6524,-586 9215.6524,-586 9221.6524,-586 9227.6524,-592 9227.6524,-598 9227.6524,-598 9227.6524,-638 9227.6524,-638 9227.6524,-644 9221.6524,-650 9215.6524,-650\"/>\n",
       "<text text-anchor=\"middle\" x=\"9133.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"9133.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.473</text>\n",
       "<text text-anchor=\"middle\" x=\"9133.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 13</text>\n",
       "<text text-anchor=\"middle\" x=\"9133.9531\" y=\"-592.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [8, 5, 0]</text>\n",
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       "<title>322&#45;&gt;323</title>\n",
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       "<title>332</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M9346.0733,-643C9346.0733,-643 9257.8329,-643 9257.8329,-643 9251.8329,-643 9245.8329,-637 9245.8329,-631 9245.8329,-631 9245.8329,-605 9245.8329,-605 9245.8329,-599 9251.8329,-593 9257.8329,-593 9257.8329,-593 9346.0733,-593 9346.0733,-593 9352.0733,-593 9358.0733,-599 9358.0733,-605 9358.0733,-605 9358.0733,-631 9358.0733,-631 9358.0733,-637 9352.0733,-643 9346.0733,-643\"/>\n",
       "<text text-anchor=\"middle\" x=\"9301.9531\" y=\"-627.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"9301.9531\" y=\"-613.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"9301.9531\" y=\"-599.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 2, 0]</text>\n",
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       "<text text-anchor=\"middle\" x=\"8878.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"9161.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
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       "<title>349</title>\n",
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       "<title>351</title>\n",
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       "<text text-anchor=\"middle\" x=\"11816.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
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       "<title>350&#45;&gt;351</title>\n",
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       "<title>404</title>\n",
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       "<text text-anchor=\"middle\" x=\"12691.9531\" y=\"-1334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"11547.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= &#45;0.5</text>\n",
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       "<title>395</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M12104.6827,-1250C12104.6827,-1250 11831.2235,-1250 11831.2235,-1250 11825.2235,-1250 11819.2235,-1244 11819.2235,-1238 11819.2235,-1238 11819.2235,-1198 11819.2235,-1198 11819.2235,-1192 11825.2235,-1186 11831.2235,-1186 11831.2235,-1186 12104.6827,-1186 12104.6827,-1186 12110.6827,-1186 12116.6827,-1192 12116.6827,-1198 12116.6827,-1198 12116.6827,-1238 12116.6827,-1238 12116.6827,-1244 12110.6827,-1250 12104.6827,-1250\"/>\n",
       "<text text-anchor=\"middle\" x=\"11967.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"11547.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11547.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.413</text>\n",
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       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.502</text>\n",
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       "<text text-anchor=\"middle\" x=\"10828.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"10828.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.594</text>\n",
       "<text text-anchor=\"middle\" x=\"10828.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
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       "<title>355&#45;&gt;356</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M11017.8451,-985.9467C10989.0404,-975.5854 10956.94,-964.0384 10927.4933,-953.4461\"/>\n",
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       "<title>365</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M11235.0452,-950C11235.0452,-950 10978.861,-950 10978.861,-950 10972.861,-950 10966.861,-944 10966.861,-938 10966.861,-938 10966.861,-898 10966.861,-898 10966.861,-892 10972.861,-886 10978.861,-886 10978.861,-886 11235.0452,-886 11235.0452,-886 11241.0452,-886 11247.0452,-892 11247.0452,-898 11247.0452,-898 11247.0452,-938 11247.0452,-938 11247.0452,-944 11241.0452,-950 11235.0452,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.39</text>\n",
       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 21</text>\n",
       "<text text-anchor=\"middle\" x=\"11106.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [16, 3, 2]</text>\n",
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       "<title>355&#45;&gt;365</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M11106.9531,-985.8089C11106.9531,-977.6906 11106.9531,-968.8517 11106.9531,-960.3186\"/>\n",
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       "<title>357</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M10656.4926,-850C10656.4926,-850 10415.4137,-850 10415.4137,-850 10409.4137,-850 10403.4137,-844 10403.4137,-838 10403.4137,-838 10403.4137,-798 10403.4137,-798 10403.4137,-792 10409.4137,-786 10415.4137,-786 10415.4137,-786 10656.4926,-786 10656.4926,-786 10662.4926,-786 10668.4926,-792 10668.4926,-798 10668.4926,-798 10668.4926,-838 10668.4926,-838 10668.4926,-844 10662.4926,-850 10656.4926,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"10535.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Military, armaments, and defense &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"10535.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"10535.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<title>356&#45;&gt;357</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M10735.0371,-885.9467C10704.5468,-875.5405 10670.5527,-863.9384 10639.4073,-853.3086\"/>\n",
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       "<title>360</title>\n",
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       "<text text-anchor=\"middle\" x=\"10828.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"10828.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.48</text>\n",
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       "<title>356&#45;&gt;360</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M10828.9531,-885.8089C10828.9531,-877.6906 10828.9531,-868.8517 10828.9531,-860.3186\"/>\n",
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       "<title>358</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M10452.0733,-743C10452.0733,-743 10363.8329,-743 10363.8329,-743 10357.8329,-743 10351.8329,-737 10351.8329,-731 10351.8329,-731 10351.8329,-705 10351.8329,-705 10351.8329,-699 10357.8329,-693 10363.8329,-693 10363.8329,-693 10452.0733,-693 10452.0733,-693 10458.0733,-693 10464.0733,-699 10464.0733,-705 10464.0733,-705 10464.0733,-731 10464.0733,-731 10464.0733,-737 10458.0733,-743 10452.0733,-743\"/>\n",
       "<text text-anchor=\"middle\" x=\"10407.9531\" y=\"-727.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
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       "<text text-anchor=\"middle\" x=\"10407.9531\" y=\"-699.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 0, 1]</text>\n",
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       "<title>357&#45;&gt;358</title>\n",
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       "<text text-anchor=\"middle\" x=\"10537.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
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       "<title>357&#45;&gt;359</title>\n",
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       "<text text-anchor=\"middle\" x=\"11528.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"11424.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= 0.5</text>\n",
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       "<title>381</title>\n",
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       "<text text-anchor=\"middle\" x=\"11423.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11423.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.133</text>\n",
       "<text text-anchor=\"middle\" x=\"11423.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 14</text>\n",
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       "<!-- 380&#45;&gt;381 -->\n",
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       "<title>380&#45;&gt;381</title>\n",
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       "<!-- 386 -->\n",
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       "<title>386</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M11859.5452,-1050C11859.5452,-1050 11596.361,-1050 11596.361,-1050 11590.361,-1050 11584.361,-1044 11584.361,-1038 11584.361,-1038 11584.361,-998 11584.361,-998 11584.361,-992 11590.361,-986 11596.361,-986 11596.361,-986 11859.5452,-986 11859.5452,-986 11865.5452,-986 11871.5452,-992 11871.5452,-998 11871.5452,-998 11871.5452,-1038 11871.5452,-1038 11871.5452,-1044 11865.5452,-1050 11859.5452,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"11727.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11727.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.48</text>\n",
       "<text text-anchor=\"middle\" x=\"11727.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 10</text>\n",
       "<text text-anchor=\"middle\" x=\"11727.9531\" y=\"-992.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [6, 4, 0]</text>\n",
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       "<!-- 380&#45;&gt;386 -->\n",
       "<g id=\"edge386\" class=\"edge\">\n",
       "<title>380&#45;&gt;386</title>\n",
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       "<title>382</title>\n",
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       "<text text-anchor=\"middle\" x=\"11332.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"11332.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 10</text>\n",
       "<text text-anchor=\"middle\" x=\"11332.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 10, 0]</text>\n",
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       "<!-- 381&#45;&gt;382 -->\n",
       "<g id=\"edge382\" class=\"edge\">\n",
       "<title>381&#45;&gt;382</title>\n",
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       "<title>383</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M11511.0733,-950C11511.0733,-950 11422.8329,-950 11422.8329,-950 11416.8329,-950 11410.8329,-944 11410.8329,-938 11410.8329,-938 11410.8329,-898 11410.8329,-898 11410.8329,-892 11416.8329,-886 11422.8329,-886 11422.8329,-886 11511.0733,-886 11511.0733,-886 11517.0733,-886 11523.0733,-892 11523.0733,-898 11523.0733,-898 11523.0733,-938 11523.0733,-938 11523.0733,-944 11517.0733,-950 11511.0733,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"11466.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"11466.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.375</text>\n",
       "<text text-anchor=\"middle\" x=\"11466.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 4</text>\n",
       "<text text-anchor=\"middle\" x=\"11466.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 3, 0]</text>\n",
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       "<title>381&#45;&gt;383</title>\n",
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       "<title>384</title>\n",
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       "<text text-anchor=\"middle\" x=\"11420.9531\" y=\"-827.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"11420.9531\" y=\"-813.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<!-- 383&#45;&gt;384 -->\n",
       "<g id=\"edge384\" class=\"edge\">\n",
       "<title>383&#45;&gt;384</title>\n",
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       "<title>385</title>\n",
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       "<title>387</title>\n",
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       "<text text-anchor=\"middle\" x=\"11657.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Halting rising crime rate &lt;= &#45;0.5</text>\n",
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       "<title>386&#45;&gt;387</title>\n",
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       "<text text-anchor=\"middle\" x=\"11967.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"12231.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"12691.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving &amp; protecting environment &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"13341.9531\" y=\"-1234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"12556.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Military, armaments, and defense &lt;= 0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"12827.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Solving problems of big cities &lt;= 0.5</text>\n",
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       "<title>407</title>\n",
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       "<title>411&#45;&gt;412</title>\n",
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       "<text text-anchor=\"middle\" x=\"13341.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Foreign aid &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13341.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.487</text>\n",
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       "<title>414&#45;&gt;415</title>\n",
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       "<text text-anchor=\"middle\" x=\"13784.9531\" y=\"-1134.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13784.9531\" y=\"-1120.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.594</text>\n",
       "<text text-anchor=\"middle\" x=\"13784.9531\" y=\"-1106.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 8</text>\n",
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       "<title>414&#45;&gt;472</title>\n",
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       "<title>416</title>\n",
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       "<text text-anchor=\"middle\" x=\"13193.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13193.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.312</text>\n",
       "<text text-anchor=\"middle\" x=\"13193.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 31</text>\n",
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       "<title>415&#45;&gt;416</title>\n",
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       "<!-- 441 -->\n",
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       "<title>441</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13616.3108,-1050C13616.3108,-1050 13365.5955,-1050 13365.5955,-1050 13359.5955,-1050 13353.5955,-1044 13353.5955,-1038 13353.5955,-1038 13353.5955,-998 13353.5955,-998 13353.5955,-992 13359.5955,-986 13365.5955,-986 13365.5955,-986 13616.3108,-986 13616.3108,-986 13622.3108,-986 13628.3108,-992 13628.3108,-998 13628.3108,-998 13628.3108,-1038 13628.3108,-1038 13628.3108,-1044 13622.3108,-1050 13616.3108,-1050\"/>\n",
       "<text text-anchor=\"middle\" x=\"13490.9531\" y=\"-1034.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Supporting scientific research &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13490.9531\" y=\"-1020.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.584</text>\n",
       "<text text-anchor=\"middle\" x=\"13490.9531\" y=\"-1006.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 37</text>\n",
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       "<!-- 415&#45;&gt;441 -->\n",
       "<g id=\"edge441\" class=\"edge\">\n",
       "<title>415&#45;&gt;441</title>\n",
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       "<!-- 417 -->\n",
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       "<title>417</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13110.8594,-950C13110.8594,-950 13015.0468,-950 13015.0468,-950 13009.0468,-950 13003.0468,-944 13003.0468,-938 13003.0468,-938 13003.0468,-898 13003.0468,-898 13003.0468,-892 13009.0468,-886 13015.0468,-886 13015.0468,-886 13110.8594,-886 13110.8594,-886 13116.8594,-886 13122.8594,-892 13122.8594,-898 13122.8594,-898 13122.8594,-938 13122.8594,-938 13122.8594,-944 13116.8594,-950 13110.8594,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.238</text>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 29</text>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [4, 25, 0]</text>\n",
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       "<!-- 416&#45;&gt;417 -->\n",
       "<g id=\"edge417\" class=\"edge\">\n",
       "<title>416&#45;&gt;417</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13151.7828,-985.8089C13139.5116,-976.4416 13125.9838,-966.115 13113.2646,-956.4057\"/>\n",
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       "<!-- 440 -->\n",
       "<g id=\"node441\" class=\"node\">\n",
       "<title>440</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13241.0733,-943C13241.0733,-943 13152.8329,-943 13152.8329,-943 13146.8329,-943 13140.8329,-937 13140.8329,-931 13140.8329,-931 13140.8329,-905 13140.8329,-905 13140.8329,-899 13146.8329,-893 13152.8329,-893 13152.8329,-893 13241.0733,-893 13241.0733,-893 13247.0733,-893 13253.0733,-899 13253.0733,-905 13253.0733,-905 13253.0733,-931 13253.0733,-931 13253.0733,-937 13247.0733,-943 13241.0733,-943\"/>\n",
       "<text text-anchor=\"middle\" x=\"13196.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"13196.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"13196.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 0, 0]</text>\n",
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       "<!-- 416&#45;&gt;440 -->\n",
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       "<title>416&#45;&gt;440</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13194.9189,-985.8089C13195.2297,-975.446 13195.5759,-963.909 13195.8931,-953.3327\"/>\n",
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       "<!-- 418 -->\n",
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       "<title>418</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M12837.8872,-850C12837.8872,-850 12668.019,-850 12668.019,-850 12662.019,-850 12656.019,-844 12656.019,-838 12656.019,-838 12656.019,-798 12656.019,-798 12656.019,-792 12662.019,-786 12668.019,-786 12668.019,-786 12837.8872,-786 12837.8872,-786 12843.8872,-786 12849.8872,-792 12849.8872,-798 12849.8872,-798 12849.8872,-838 12849.8872,-838 12849.8872,-844 12843.8872,-850 12837.8872,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"12752.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Parks and recreation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"12752.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"12752.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
       "<text text-anchor=\"middle\" x=\"12752.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 1, 0]</text>\n",
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       "<!-- 417&#45;&gt;418 -->\n",
       "<g id=\"edge418\" class=\"edge\">\n",
       "<title>417&#45;&gt;418</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13002.9812,-889.5024C12999.9462,-888.2758 12996.9251,-887.1004 12993.9531,-886 12950.7408,-869.9993 12901.9976,-855.5914 12859.7112,-844.2002\"/>\n",
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       "<!-- 421 -->\n",
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       "<title>421</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13202.345,-850C13202.345,-850 12923.5613,-850 12923.5613,-850 12917.5613,-850 12911.5613,-844 12911.5613,-838 12911.5613,-838 12911.5613,-798 12911.5613,-798 12911.5613,-792 12917.5613,-786 12923.5613,-786 12923.5613,-786 13202.345,-786 13202.345,-786 13208.345,-786 13214.345,-792 13214.345,-798 13214.345,-798 13214.345,-838 13214.345,-838 13214.345,-844 13208.345,-850 13202.345,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Developing alternative energy sources &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.198</text>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 27</text>\n",
       "<text text-anchor=\"middle\" x=\"13062.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [3, 24, 0]</text>\n",
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       "<g id=\"edge421\" class=\"edge\">\n",
       "<title>417&#45;&gt;421</title>\n",
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       "<title>419</title>\n",
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       "<text text-anchor=\"middle\" x=\"12622.9531\" y=\"-713.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
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       "<title>418&#45;&gt;419</title>\n",
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       "<title>420</title>\n",
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       "<title>418&#45;&gt;420</title>\n",
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       "<text text-anchor=\"middle\" x=\"13105.9531\" y=\"-634.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13105.9531\" y=\"-620.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.231</text>\n",
       "<text text-anchor=\"middle\" x=\"13105.9531\" y=\"-606.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 15</text>\n",
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       "<text text-anchor=\"middle\" x=\"12947.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= &#45;0.5</text>\n",
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       "<text text-anchor=\"middle\" x=\"13225.9531\" y=\"-534.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving nations education system &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13225.9531\" y=\"-520.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
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       "<title>426&#45;&gt;427</title>\n",
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       "<title>428</title>\n",
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       "<text text-anchor=\"middle\" x=\"12950.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Improving the conditions of blacks &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"12950.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.219</text>\n",
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       "<title>426&#45;&gt;428</title>\n",
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       "<title>429</title>\n",
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       "<text text-anchor=\"middle\" x=\"12808.9531\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
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       "<title>428&#45;&gt;429</title>\n",
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       "<title>434</title>\n",
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       "<title>428&#45;&gt;434</title>\n",
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       "<title>430</title>\n",
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       "<title>429&#45;&gt;430</title>\n",
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       "<title>431</title>\n",
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       "<text text-anchor=\"middle\" x=\"12892.9531\" y=\"-234.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
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       "<title>429&#45;&gt;431</title>\n",
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       "<text text-anchor=\"middle\" x=\"12957.9531\" y=\"-127.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.32</text>\n",
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       "<!-- 431&#45;&gt;433 -->\n",
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       "<title>431&#45;&gt;433</title>\n",
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       "<text text-anchor=\"middle\" x=\"13220.9531\" y=\"-434.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Space exploration program &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13220.9531\" y=\"-420.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13220.9531\" y=\"-406.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 2</text>\n",
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       "<!-- 435&#45;&gt;436 -->\n",
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       "<title>435&#45;&gt;436</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13224.3436,-485.8089C13223.9377,-477.6906 13223.4957,-468.8517 13223.0691,-460.3186\"/>\n",
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       "<text text-anchor=\"middle\" x=\"13408.9531\" y=\"-427.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"13408.9531\" y=\"-413.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"13408.9531\" y=\"-399.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
       "</g>\n",
       "<!-- 435&#45;&gt;439 -->\n",
       "<g id=\"edge439\" class=\"edge\">\n",
       "<title>435&#45;&gt;439</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13284.6106,-485.9467C13306.9386,-473.7457 13332.2749,-459.9007 13354.2247,-447.9062\"/>\n",
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       "<!-- 437 -->\n",
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       "<title>437</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13232.0733,-343C13232.0733,-343 13143.8329,-343 13143.8329,-343 13137.8329,-343 13131.8329,-337 13131.8329,-331 13131.8329,-331 13131.8329,-305 13131.8329,-305 13131.8329,-299 13137.8329,-293 13143.8329,-293 13143.8329,-293 13232.0733,-293 13232.0733,-293 13238.0733,-293 13244.0733,-299 13244.0733,-305 13244.0733,-305 13244.0733,-331 13244.0733,-331 13244.0733,-337 13238.0733,-343 13232.0733,-343\"/>\n",
       "<text text-anchor=\"middle\" x=\"13187.9531\" y=\"-327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"13187.9531\" y=\"-313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"13187.9531\" y=\"-299.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [1, 0, 0]</text>\n",
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       "<!-- 436&#45;&gt;437 -->\n",
       "<g id=\"edge437\" class=\"edge\">\n",
       "<title>436&#45;&gt;437</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13210.3301,-385.8089C13206.8391,-375.2301 13202.9443,-363.4278 13199.3952,-352.6729\"/>\n",
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       "<g id=\"node439\" class=\"node\">\n",
       "<title>438</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13362.0733,-343C13362.0733,-343 13273.8329,-343 13273.8329,-343 13267.8329,-343 13261.8329,-337 13261.8329,-331 13261.8329,-331 13261.8329,-305 13261.8329,-305 13261.8329,-299 13267.8329,-293 13273.8329,-293 13273.8329,-293 13362.0733,-293 13362.0733,-293 13368.0733,-293 13374.0733,-299 13374.0733,-305 13374.0733,-305 13374.0733,-331 13374.0733,-331 13374.0733,-337 13368.0733,-343 13362.0733,-343\"/>\n",
       "<text text-anchor=\"middle\" x=\"13317.9531\" y=\"-327.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"13317.9531\" y=\"-313.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 1</text>\n",
       "<text text-anchor=\"middle\" x=\"13317.9531\" y=\"-299.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 1, 0]</text>\n",
       "</g>\n",
       "<!-- 436&#45;&gt;438 -->\n",
       "<g id=\"edge438\" class=\"edge\">\n",
       "<title>436&#45;&gt;438</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13252.1785,-385.8089C13263.1729,-374.4745 13275.5297,-361.7355 13286.5395,-350.3851\"/>\n",
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       "<!-- 442 -->\n",
       "<g id=\"node443\" class=\"node\">\n",
       "<title>442</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13565.9521,-950C13565.9521,-950 13387.9541,-950 13387.9541,-950 13381.9541,-950 13375.9541,-944 13375.9541,-938 13375.9541,-938 13375.9541,-898 13375.9541,-898 13375.9541,-892 13381.9541,-886 13387.9541,-886 13387.9541,-886 13565.9521,-886 13565.9521,-886 13571.9521,-886 13577.9521,-892 13577.9521,-898 13577.9521,-898 13577.9521,-938 13577.9521,-938 13577.9521,-944 13571.9521,-950 13565.9521,-950\"/>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-934.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Highways and bridges &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-920.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.615</text>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-906.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 32</text>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-892.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [12, 15, 5]</text>\n",
       "</g>\n",
       "<!-- 441&#45;&gt;442 -->\n",
       "<g id=\"edge442\" class=\"edge\">\n",
       "<title>441&#45;&gt;442</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13486.4464,-985.8089C13485.2973,-977.6014 13484.0452,-968.6574 13482.8384,-960.0374\"/>\n",
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       "<!-- 471 -->\n",
       "<g id=\"node472\" class=\"node\">\n",
       "<title>471</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13696.0733,-943C13696.0733,-943 13607.8329,-943 13607.8329,-943 13601.8329,-943 13595.8329,-937 13595.8329,-931 13595.8329,-931 13595.8329,-905 13595.8329,-905 13595.8329,-899 13601.8329,-893 13607.8329,-893 13607.8329,-893 13696.0733,-893 13696.0733,-893 13702.0733,-893 13708.0733,-899 13708.0733,-905 13708.0733,-905 13708.0733,-931 13708.0733,-931 13708.0733,-937 13702.0733,-943 13696.0733,-943\"/>\n",
       "<text text-anchor=\"middle\" x=\"13651.9531\" y=\"-927.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.0</text>\n",
       "<text text-anchor=\"middle\" x=\"13651.9531\" y=\"-913.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 5</text>\n",
       "<text text-anchor=\"middle\" x=\"13651.9531\" y=\"-899.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [0, 5, 0]</text>\n",
       "</g>\n",
       "<!-- 441&#45;&gt;471 -->\n",
       "<g id=\"edge471\" class=\"edge\">\n",
       "<title>441&#45;&gt;471</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13542.7808,-985.8089C13562.072,-973.8268 13583.8903,-960.2751 13602.923,-948.4535\"/>\n",
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       "<!-- 443 -->\n",
       "<g id=\"node444\" class=\"node\">\n",
       "<title>443</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13558.6524,-850C13558.6524,-850 13395.2538,-850 13395.2538,-850 13389.2538,-850 13383.2538,-844 13383.2538,-838 13383.2538,-838 13383.2538,-798 13383.2538,-798 13383.2538,-792 13389.2538,-786 13395.2538,-786 13395.2538,-786 13558.6524,-786 13558.6524,-786 13564.6524,-786 13570.6524,-792 13570.6524,-798 13570.6524,-798 13570.6524,-838 13570.6524,-838 13570.6524,-844 13564.6524,-850 13558.6524,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Mass transportation &lt;= &#45;0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 12</text>\n",
       "<text text-anchor=\"middle\" x=\"13476.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [2, 8, 2]</text>\n",
       "</g>\n",
       "<!-- 442&#45;&gt;443 -->\n",
       "<g id=\"edge443\" class=\"edge\">\n",
       "<title>442&#45;&gt;443</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13476.9531,-885.8089C13476.9531,-877.6906 13476.9531,-868.8517 13476.9531,-860.3186\"/>\n",
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       "<!-- 450 -->\n",
       "<g id=\"node451\" class=\"node\">\n",
       "<title>450</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13973.6486,-850C13973.6486,-850 13770.2576,-850 13770.2576,-850 13764.2576,-850 13758.2576,-844 13758.2576,-838 13758.2576,-838 13758.2576,-798 13758.2576,-798 13758.2576,-792 13764.2576,-786 13770.2576,-786 13770.2576,-786 13973.6486,-786 13973.6486,-786 13979.6486,-786 13985.6486,-792 13985.6486,-798 13985.6486,-798 13985.6486,-838 13985.6486,-838 13985.6486,-844 13979.6486,-850 13973.6486,-850\"/>\n",
       "<text text-anchor=\"middle\" x=\"13871.9531\" y=\"-834.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Dealing with drug addiction &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13871.9531\" y=\"-820.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.605</text>\n",
       "<text text-anchor=\"middle\" x=\"13871.9531\" y=\"-806.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 20</text>\n",
       "<text text-anchor=\"middle\" x=\"13871.9531\" y=\"-792.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">value = [10, 7, 3]</text>\n",
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       "<g id=\"edge450\" class=\"edge\">\n",
       "<title>442&#45;&gt;450</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13578.1964,-888.3456C13581.1453,-887.5466 13584.069,-886.7631 13586.9531,-886 13639.6251,-872.0639 13698.1124,-857.8856 13748.3282,-846.1074\"/>\n",
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       "<g id=\"node445\" class=\"node\">\n",
       "<title>444</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13414.0733,-750C13414.0733,-750 13325.8329,-750 13325.8329,-750 13319.8329,-750 13313.8329,-744 13313.8329,-738 13313.8329,-738 13313.8329,-698 13313.8329,-698 13313.8329,-692 13319.8329,-686 13325.8329,-686 13325.8329,-686 13414.0733,-686 13414.0733,-686 13420.0733,-686 13426.0733,-692 13426.0733,-698 13426.0733,-698 13426.0733,-738 13426.0733,-738 13426.0733,-744 13420.0733,-750 13414.0733,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"13369.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
       "<text text-anchor=\"middle\" x=\"13369.9531\" y=\"-720.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">gini = 0.444</text>\n",
       "<text text-anchor=\"middle\" x=\"13369.9531\" y=\"-706.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">samples = 3</text>\n",
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       "<g id=\"edge444\" class=\"edge\">\n",
       "<title>443&#45;&gt;444</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13442.5087,-785.8089C13432.6766,-776.62 13421.8567,-766.508 13411.6416,-756.9612\"/>\n",
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       "<title>447</title>\n",
       "<path fill=\"none\" stroke=\"#000000\" d=\"M13544.0733,-750C13544.0733,-750 13455.8329,-750 13455.8329,-750 13449.8329,-750 13443.8329,-744 13443.8329,-738 13443.8329,-738 13443.8329,-698 13443.8329,-698 13443.8329,-692 13449.8329,-686 13455.8329,-686 13455.8329,-686 13544.0733,-686 13544.0733,-686 13550.0733,-686 13556.0733,-692 13556.0733,-698 13556.0733,-698 13556.0733,-738 13556.0733,-738 13556.0733,-744 13550.0733,-750 13544.0733,-750\"/>\n",
       "<text text-anchor=\"middle\" x=\"13499.9531\" y=\"-734.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\" fill=\"#000000\">Welfare &lt;= 0.5</text>\n",
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       "<title>443&#45;&gt;447</title>\n",
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      ],
      "text/plain": [
       "<graphviz.files.Source at 0x117d466a0>"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from sklearn.tree import export_graphviz\n",
    "import graphviz\n",
    "\n",
    "feature_names = gss.columns.drop(predict_col)\n",
    "export_graphviz(dt, \n",
    "                feature_names=feature_names, \n",
    "                rounded=True,\n",
    "                out_file=\"mytree.dot\")\n",
    "with open(\"mytree.dot\") as f:\n",
    "    dot_graph = f.read()\n",
    "graphviz.Source(dot_graph)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## A more realistic test\n",
    "The test of a classifier is not whether it can reproduce the output training data -- it's how well it does on data it's never seen before. So let's split our data into training and test sets, and try this again."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# Split off a random third of this data to use for testing.\n",
    "train, test = train_test_split(gss, test_size=0.3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(676, 18)"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "train.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(290, 18)"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "test.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [],
   "source": [
    "# The x values don't contain the column we want to predict. The y value is only that column.\n",
    "x_train = train.drop(predict_col, axis=1).values\n",
    "y_train = train[[predict_col]].values\n",
    "\n",
    "x_test = test.drop(predict_col, axis=1).values\n",
    "y_test = test[[predict_col]].values"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "DecisionTreeClassifier(class_weight=None, criterion='gini', max_depth=None,\n",
       "            max_features=None, max_leaf_nodes=None,\n",
       "            min_impurity_decrease=0.0, min_impurity_split=None,\n",
       "            min_samples_leaf=1, min_samples_split=2,\n",
       "            min_weight_fraction_leaf=0.0, presort=False, random_state=None,\n",
       "            splitter='best')"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Fit a decision tree to the training data only\n",
    "dt = tree.DecisionTreeClassifier()\n",
    "dt.fit(x_train,y_train)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.99704142011834318"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What percentage did it predict right on the training data?\n",
    "y_train_pred = dt.predict(x_train)\n",
    "metrics.accuracy_score(y_train, y_train_pred)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.54482758620689653"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What percentage did it predict right on the test data?\n",
    "y_test_pred = dt.predict(x_test)\n",
    "metrics.accuracy_score(y_test, y_test_pred)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style>\n",
       "    .dataframe thead tr:only-child th {\n",
       "        text-align: right;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: left;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Predicted -1</th>\n",
       "      <th>Predicted 0</th>\n",
       "      <th>Predicted 1</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>True -1</th>\n",
       "      <td>108</td>\n",
       "      <td>53</td>\n",
       "      <td>8</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 0</th>\n",
       "      <td>48</td>\n",
       "      <td>47</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 1</th>\n",
       "      <td>10</td>\n",
       "      <td>7</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "         Predicted -1  Predicted 0  Predicted 1\n",
       "True -1           108           53            8\n",
       "True 0             48           47            6\n",
       "True 1             10            7            3"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What mistakes did it make?\n",
    "pd.DataFrame(metrics.confusion_matrix(y_test, y_test_pred), \n",
    "             columns=['Predicted -1','Predicted 0','Predicted 1'],\n",
    "             index=['True -1', 'True 0', 'True 1'])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Random Forest: Improving accuracy with a better classifier\n",
    "\n",
    "Sometimes improving accuracy is very difficult. You might just not have a very predictable problem! But we can often do better than just a simple decision tree, by using many trees. This is a \"random forest,\" and for our purposes it's just a drop-in replacement for the classifier."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "from sklearn.ensemble import RandomForestClassifier"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "RandomForestClassifier(bootstrap=True, class_weight=None, criterion='gini',\n",
       "            max_depth=None, max_features='auto', max_leaf_nodes=None,\n",
       "            min_impurity_decrease=0.0, min_impurity_split=None,\n",
       "            min_samples_leaf=1, min_samples_split=2,\n",
       "            min_weight_fraction_leaf=0.0, n_estimators=10, n_jobs=1,\n",
       "            oob_score=False, random_state=None, verbose=0,\n",
       "            warm_start=False)"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "rf = RandomForestClassifier()\n",
    "rf.fit(x_train,y_train.ravel())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.58620689655172409"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What percentage did it predict right on the test data?\n",
    "y_test_pred = rf.predict(x_test)\n",
    "metrics.accuracy_score(y_test, y_test_pred)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style>\n",
       "    .dataframe thead tr:only-child th {\n",
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       "    .dataframe thead th {\n",
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       "    .dataframe tbody tr th {\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Predicted -1</th>\n",
       "      <th>Predicted 0</th>\n",
       "      <th>Predicted 1</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>True -1</th>\n",
       "      <td>136</td>\n",
       "      <td>33</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 0</th>\n",
       "      <td>67</td>\n",
       "      <td>34</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 1</th>\n",
       "      <td>9</td>\n",
       "      <td>11</td>\n",
       "      <td>0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "         Predicted -1  Predicted 0  Predicted 1\n",
       "True -1           136           33            0\n",
       "True 0             67           34            0\n",
       "True 1              9           11            0"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# What mistakes did it make?\n",
    "pd.DataFrame(metrics.confusion_matrix(y_test, y_test_pred), \n",
    "             columns=['Predicted -1','Predicted 0','Predicted 1'],\n",
    "             index=['True -1', 'True 0', 'True 1'])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Binary classification metrics\n",
    "In this section we'll train a basic classifier on our favorite Titantic data, and then calculate some accuracy metrics for a binary predictor where there are only two outcomes: true and false. We'll be using these metrics over and over again in our upcoming discussions of algorithmic accountability.\n",
    "\n",
    "For your reference, Wikipedia has an [amazing chart](https://en.wikipedia.org/wiki/Confusion_matrix) of the various things you can calculate from a binary confusion matrix."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# load titanic.csv once more\n",
    "ti = pd.read_csv('titanic.csv')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# recode the pclass and gender variables so they are numeric\n",
    "ti.pclass = ti.pclass.replace({'1st':1, '2nd':2, '3rd':3})\n",
    "ti['female'] = ti.gender.replace({'male':0, 'female':1})"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# Set aside a third of the data for testing.\n",
    "ti_train, ti_test = train_test_split(ti, test_size=0.3, random_state=100)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "DecisionTreeClassifier(class_weight=None, criterion='gini', max_depth=None,\n",
       "            max_features=None, max_leaf_nodes=None,\n",
       "            min_impurity_decrease=0.0, min_impurity_split=None,\n",
       "            min_samples_leaf=1, min_samples_split=2,\n",
       "            min_weight_fraction_leaf=0.0, presort=False, random_state=None,\n",
       "            splitter='best')"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Set up x and y variables and train a decision tree on the pclass and sex features, to predict survived\n",
    "feature_columns = ['pclass','female']\n",
    "ti_x = ti_train[feature_columns].values\n",
    "ti_y = ti_train[['survived']].values\n",
    "\n",
    "dt = tree.DecisionTreeClassifier()\n",
    "dt.fit(ti_x,ti_y)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# Create ti_test and ti_test values, and use the classifier to predict yti_test_pred\n",
    "ti_x_test = ti_test[feature_columns].values\n",
    "ti_y_test = ti_test[['survived']].values\n",
    "ti_y_test_pred = dt.predict(ti_x_test)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style>\n",
       "    .dataframe thead tr:only-child th {\n",
       "        text-align: right;\n",
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       "\n",
       "    .dataframe thead th {\n",
       "        text-align: left;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Predicted 0</th>\n",
       "      <th>Predicted 1</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>True 0</th>\n",
       "      <td>255</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>True 1</th>\n",
       "      <td>65</td>\n",
       "      <td>72</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        Predicted 0  Predicted 1\n",
       "True 0          255            2\n",
       "True 1           65           72"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Print out the confusion matrix for the classifier. Use the DataFrame trick we saw in class to label the axes.\n",
    "pd.DataFrame(metrics.confusion_matrix(ti_y_test, ti_y_test_pred), \n",
    "             columns=['Predicted 0','Predicted 1'],\n",
    "             index=['True 0', 'True 1'])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# Ok! What are the number of true positives, true negatives, false positives, and false negatives?\n",
    "TP = 72\n",
    "TN = 255\n",
    "FP = 2\n",
    "FN = 65"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.8299492385786802"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Using only the varaibles TP,TN,FP,FN, calculate and print the overall accuracy\n",
    "accuracy = (TP+TN)/(TP+TN+FP+FN)\n",
    "accuracy"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.82994923857868019"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Check that we have the calculation right by comparing to metrics.accuracy_score\n",
    "metrics.accuracy_score(ti_y_test, ti_y_test_pred)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.007782101167315175"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Using only the varaibles TP,TN,FP,FN, calculate and print the false positive rate and the false negative rate\n",
    "FPR = FP/(FP+TN)\n",
    "FPR"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.4744525547445255"
      ]
     },
     "execution_count": 46,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "FNR = FN/(FN+TP)\n",
    "FNR"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.972972972972973"
      ]
     },
     "execution_count": 47,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Now compute and print the precision aka positive predictive value, again from these four variables.\n",
    "precision = TP/(TP+FP)\n",
    "precision"
   ]
  }
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