variables.txt

variable,Domain,Description
subject                         , NA,The identifier of the subject who carried out the experiment
activityLabel                   , NA,The activity name for this observation
tBodyAcc-mean()-X               , Time,The mean of Body Acceleration on the x-axis
tBodyAcc-mean()-Y               , Time,The mean of Body Acceleration on the y-axis
tBodyAcc-mean()-Z               , Time,The mean of Body Acceleration on the z-axis
tBodyAcc-std()-X                , Time,The standard deviation of Body Acceleration on the x-axis
tBodyAcc-std()-Y                , Time,The standard deviation of Body Acceleration on the y-axis
tBodyAcc-std()-Z                , Time,The standard deviation of Body Acceleration on the z-axis
tGravityAcc-mean()-X            , Time,The mean of Gravity Acceleration on the x-axis
tGravityAcc-mean()-Y            , Time,The mean of Gravity Acceleration on the y-axis
tGravityAcc-mean()-Z            , Time,The mean of Gravity Acceleration on the z-axis
tGravityAcc-std()-X             , Time,The standard deviation of Gravity Acceleration on the x-axis
tGravityAcc-std()-Y             , Time,The standard deviation of Gravity Acceleration on the y-axis
tGravityAcc-std()-Z             , Time,The standard deviation of Gravity Acceleration on the z-axis
tBodyAccJerk-mean()-X           , Time,mean Body linear acceleration derived in time (Jerk) on the x-axis
tBodyAccJerk-mean()-Y           , Time,mean Body linear acceleration derived in time (Jerk) on the y-axis
tBodyAccJerk-mean()-Z           , Time,mean Body linear acceleration derived in time (Jerk) on the z-axis
tBodyAccJerk-std()-X            , Time,standard deviation of Body linear acceleration derived in time (Jerk) on the x-axis
tBodyAccJerk-std()-Y            , Time,standard deviation of Body linear acceleration derived in time (Jerk) on the y-axis
tBodyAccJerk-std()-Z            , Time,standard deviation of Body linear acceleration derived in time (Jerk) on the z-axis
tBodyGyro-mean()-X              , Time, mean of body angular velocity on the x-axis
tBodyGyro-mean()-Y              , Time, mean of body angular velocity on the y-axis
tBodyGyro-mean()-Z              , Time, mean of body angular velocity on the z-axis
tBodyGyro-std()-X               , Time, standard deviation of body angular velocity on the x-axis
tBodyGyro-std()-Y               , Time, standard deviation of body angular velocity on the y-axis
tBodyGyro-std()-Z               , Time, standard deviation of body angular velocity on the z-axis
tBodyGyroJerk-mean()-X          , Time, mean jerk signal of body angular velocity on the x-axis
tBodyGyroJerk-mean()-Y          , Time, mean jerk signal of body angular velocity on the y-axis
tBodyGyroJerk-mean()-Z          , Time, mean jerk signal of body angular velocity on the z-axis
tBodyGyroJerk-std()-X           , Time, standard deviation jerk signal (angular velocity devired in time) of body angular velocity on the x-axis
tBodyGyroJerk-std()-Y           , Time, standard deviation jerk signal (angular velocity devired in time) of body angular velocity on the y-axis
tBodyGyroJerk-std()-Z           , Time, standard deviation jerk signal (angular velocity devired in time) of body angular velocity on the z-axis
tBodyAccMag-mean()              , Time, mean body linear acceleration magnitude calculated using the Euclidean norm
tBodyAccMag-std()               , Time, standard deviation of body linear acceleration magnitude calculated using the Euclidean norm
tGravityAccMag-mean()           , Time, mean gravity linear acceleration magnitude calculated using the Euclidean norm
tGravityAccMag-std()            , Time, standard deviation of gravity linear acceleration magnitude calculated using the Euclidean norm
tBodyAccJerkMag-mean()          , Time, mean body linear acceleration jerk magnitude calculated using the Euclidean norm
tBodyAccJerkMag-std()           , Time, standard deviation of body linear acceleration jerk magnitude calculated using the Euclidean norm
tBodyGyroMag-mean()             , Time, mean body angular velocity magnitude calculated using the Euclidean norm
tBodyGyroMag-std()              , Time, standard deviation body angular velocity magnitude calculated using the Euclidean norm
tBodyGyroJerkMag-mean()         , Time, mean body angular velocity jerk magnitude
tBodyGyroJerkMag-std()          , Time, standard deviation body angular velocity jerk magnitude
fBodyAcc-mean()-X               , Frequency,mean body acceleration on the x-axis
fBodyAcc-mean()-Y               , Frequency,mean body acceleration on the y-axis
fBodyAcc-mean()-Z               , Frequency,mean body acceleration on the z-axis
fBodyAcc-std()-X                , Frequency,standard deviation body acceleration on the x-axis
fBodyAcc-std()-Y                , Frequency,standard deviation body acceleration on the y-axis
fBodyAcc-std()-Z                , Frequency,standard deviation body acceleration on the z-axis
fBodyAcc-meanFreq()-X           , Frequency,Weighted average of the frequency components on the x-axis
fBodyAcc-meanFreq()-Y           , Frequency,Weighted average of the frequency components on the y-axis
fBodyAcc-meanFreq()-Z           , Frequency,Weighted average of the frequency components on the z-axis
fBodyAccJerk-mean()-X           , Frequency,mean body acceleration jerk on the x-axis
fBodyAccJerk-mean()-Y           , Frequency,mean body acceleration jerk on the y-axis
fBodyAccJerk-mean()-Z           , Frequency,mean body acceleration jerk on the z-axis
fBodyAccJerk-std()-X            , Frequency,standard deviation body acceleration jerk on the x-axis
fBodyAccJerk-std()-Y            , Frequency,standard deviation body acceleration jerk on the y-axis
fBodyAccJerk-std()-Z            , Frequency,standard deviation body acceleration jerk on the z-axis
fBodyAccJerk-meanFreq()-X       , Frequency,Weighted average of the frequency components on the x-axis
fBodyAccJerk-meanFreq()-Y       , Frequency,Weighted average of the frequency components on the y-axis
fBodyAccJerk-meanFreq()-Z       , Frequency,Weighted average of the frequency components on the z-axis
fBodyGyro-mean()-X              , Frequency,mean of body angular velocity on the x-axis
fBodyGyro-mean()-Y              , Frequency,mean of body angular velocity on the y-axis
fBodyGyro-mean()-Z              , Frequency,mean of body angular velocity on the z-axis
fBodyGyro-std()-X               , Frequency,standard deviation of body angular velocity on the x-axis
fBodyGyro-std()-Y               , Frequency,standard deviation of body angular velocity on the y-axis
fBodyGyro-std()-Z               , Frequency,standard deviation of body angular velocity on the z-axis
fBodyGyro-meanFreq()-X          , Frequency,Weighted average of the angular velocity frequency components on the x-axis
fBodyGyro-meanFreq()-Y          , Frequency,Weighted average of the angular velocity frequency components on the y-axis
fBodyGyro-meanFreq()-Z          , Frequency,Weighted average of the angular velocity frequency components on the z-axis
fBodyAccMag-mean()              , Frequency,body linear acceleration magnitue mean
fBodyAccMag-std()               , Frequency,body linear acceleration magnitue standard deviation
fBodyAccMag-meanFreq()          , Frequency,weighted average of the body's linear acceleration frequency components
fBodyBodyAccJerkMag-mean()      , Frequency,mean of the body acceleration jerk
fBodyBodyAccJerkMag-std()       , Frequency,standard deviation of the body acceleration jerk
fBodyBodyAccJerkMag-meanFreq()  , Frequency,weighted average of the body acceleration jerk
fBodyBodyGyroMag-mean()         , Frequency,mean of body angular velocity magnitude
fBodyBodyGyroMag-std()          , Frequency,standard deviation of body angular velocity magnitude
fBodyBodyGyroMag-meanFreq()     , Frequency,weighted average of angular velocity magnitude
fBodyBodyGyroJerkMag-mean()     , Frequency,mean of angular velocity jerk
fBodyBodyGyroJerkMag-std()      , Frequency,standard deviation of angular velocity jerk
fBodyBodyGyroJerkMag-meanFreq() , Frequency,weighted average of angular velocity jerk magnitude