Dataset of homes in San Francisco and New York used in http://www.r2d3.us/visual-intro-to-machine-learning-part-1/
This dataset was collected for A Visual Introduction to Machine Learning (http://www.r2d3.us). It is available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (http://creativecommons.org/licenses/by-nc-sa/4.0/).
Have fun!