Codebook.txt

DATA DICTIONARY - UCI-HAR-Dateset-tidy-version

1   Activity    activity label
                WALKING
                WALKING_UPSTAIRS
                WALKING_DOWNSTAIRS
                SITTING
                STANDING
                LAYING

2   subjectID   volunteer id
                1..30 .Unique identifier of the subject who carried out the experiment

3-68            the mean of each feature for each activity and each subject
                feature data come from the original file X_train.txt and X_test.txt 
    tBodyAcc.mean.X.mean        mean of tBodyAcc.mean.X, the following are the same
    tBodyAcc.mean.Y.mean
    tBodyAcc.mean.Z.mean
    tGravityAcc.mean.X.mean
    tGravityAcc.mean.Y.mean
    tGravityAcc.mean.Z.mean
    tBodyAccJerk.mean.X.mean
    tBodyAccJerk.mean.Y.mean
    tBodyAccJerk.mean.Z.mean
    tBodyGyro.mean.X.mean
    tBodyGyro.mean.Y.mean
    tBodyGyro.mean.Z.mean
    tBodyGyroJerk.mean.X.mean
    tBodyGyroJerk.mean.Y.mean
    tBodyGyroJerk.mean.Z.mean
    tBodyAccMag.mean.mean
    tGravityAccMag.mean.mean
    tBodyAccJerkMag.mean.mean
    tBodyGyroMag.mean.mean
    tBodyGyroJerkMag.mean.mean
    fBodyAcc.mean.X.mean
    fBodyAcc.mean.Y.mean
    fBodyAcc.mean.Z.mean
    fBodyAccJerk.mean.X.mean
    fBodyAccJerk.mean.Y.mean
    fBodyAccJerk.mean.Z.mean
    fBodyGyro.mean.X.mean
    fBodyGyro.mean.Y.mean
    fBodyGyro.mean.Z.mean
    fBodyAccMag.mean.mean
    fBodyBodyAccJerkMag.mean.mean
    fBodyBodyGyroMag.mean.mean
    fBodyBodyGyroJerkMag.mean.mean
    tBodyAcc.std.X.mean
    tBodyAcc.std.Y.mean
    tBodyAcc.std.Z.mean
    tGravityAcc.std.X.mean
    tGravityAcc.std.Y.mean
    tGravityAcc.std.Z.mean
    tBodyAccJerk.std.X.mean
    tBodyAccJerk.std.Y.mean
    tBodyAccJerk.std.Z.mean
    tBodyGyro.std.X.mean
    tBodyGyro.std.Y.mean
    tBodyGyro.std.Z.mean
    tBodyGyroJerk.std.X.mean
    tBodyGyroJerk.std.Y.mean
    tBodyGyroJerk.std.Z.mean
    tBodyAccMag.std.mean
    tGravityAccMag.std.mean
    tBodyAccJerkMag.std.mean
    tBodyGyroMag.std.mean
    tBodyGyroJerkMag.std.mean
    fBodyAcc.std.X.mean
    fBodyAcc.std.Y.mean
    fBodyAcc.std.Z.mean
    fBodyAccJerk.std.X.mean
    fBodyAccJerk.std.Y.mean
    fBodyAccJerk.std.Z.mean
    fBodyGyro.std.X.mean
    fBodyGyro.std.Y.mean
    fBodyGyro.std.Z.mean
    fBodyAccMag.std.mean
    fBodyBodyAccJerkMag.std.mean
    fBodyBodyGyroMag.std.mean
    fBodyBodyGyroJerkMag.std.mean

NOTE: for detail information about this dataset
visit the website at:
http://archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones