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#Code Book of Data Columns

This dataset includes mean summarizations of all mean and std observations from the Smartphone Human Activity Recognition dataset. The mean of all observations was taken grouped by distinct subjects and activities. All data maintains the original units and meanings from the original data set.

Columns:

  • activity - the activity the subject/user was doing at the time (can be WALKING, WALKING_UPSTAIRS, WALKING_DOWNSTAIRS, SITING, STANDING, LAYING)
  • subject.id - the id of the subject/user
  • tBodyAcc-mean()-X
  • tBodyAcc-mean()-Y
  • tBodyAcc-mean()-Z
  • tBodyAcc-std()-X
  • tBodyAcc-std()-Y
  • tBodyAcc-std()-Z
  • tGravityAcc-mean()-X
  • tGravityAcc-mean()-Y
  • tGravityAcc-mean()-Z
  • tGravityAcc-std()-X
  • tGravityAcc-std()-Y
  • tGravityAcc-std()-Z
  • tBodyAccJerk-mean()-X
  • tBodyAccJerk-mean()-Y
  • tBodyAccJerk-mean()-Z
  • tBodyAccJerk-std()-X
  • tBodyAccJerk-std()-Y
  • tBodyAccJerk-std()-Z
  • tBodyGyro-mean()-X
  • tBodyGyro-mean()-Y
  • tBodyGyro-mean()-Z
  • tBodyGyro-std()-X
  • tBodyGyro-std()-Y
  • tBodyGyro-std()-Z
  • tBodyGyroJerk-mean()-X
  • tBodyGyroJerk-mean()-Y
  • tBodyGyroJerk-mean()-Z
  • tBodyGyroJerk-std()-X
  • tBodyGyroJerk-std()-Y
  • tBodyGyroJerk-std()-Z
  • tBodyAccMag-mean()
  • tBodyAccMag-std()
  • tGravityAccMag-mean()
  • tGravityAccMag-std()
  • tBodyAccJerkMag-mean()
  • tBodyAccJerkMag-std()
  • tBodyGyroMag-mean()
  • tBodyGyroMag-std()
  • tBodyGyroJerkMag-mean()
  • tBodyGyroJerkMag-std()
  • fBodyAcc-mean()-X
  • fBodyAcc-mean()-Y
  • fBodyAcc-mean()-Z
  • fBodyAcc-std()-X
  • fBodyAcc-std()-Y
  • fBodyAcc-std()-Z
  • fBodyAcc-meanFreq()-X
  • fBodyAcc-meanFreq()-Y
  • fBodyAcc-meanFreq()-Z
  • fBodyAccJerk-mean()-X
  • fBodyAccJerk-mean()-Y
  • fBodyAccJerk-mean()-Z
  • fBodyAccJerk-std()-X
  • fBodyAccJerk-std()-Y
  • fBodyAccJerk-std()-Z
  • fBodyAccJerk-meanFreq()-X
  • fBodyAccJerk-meanFreq()-Y
  • fBodyAccJerk-meanFreq()-Z
  • fBodyGyro-mean()-X
  • fBodyGyro-mean()-Y
  • fBodyGyro-mean()-Z
  • fBodyGyro-std()-X
  • fBodyGyro-std()-Y
  • fBodyGyro-std()-Z
  • fBodyGyro-meanFreq()-X
  • fBodyGyro-meanFreq()-Y
  • fBodyGyro-meanFreq()-Z
  • fBodyAccMag-mean()
  • fBodyAccMag-std()
  • fBodyAccMag-meanFreq()
  • fBodyBodyAccJerkMag-mean()
  • fBodyBodyAccJerkMag-std()
  • fBodyBodyAccJerkMag-meanFreq()
  • fBodyBodyGyroMag-mean()
  • fBodyBodyGyroMag-std()
  • fBodyBodyGyroMag-meanFreq()
  • fBodyBodyGyroJerkMag-mean()
  • fBodyBodyGyroJerkMag-std()
  • fBodyBodyGyroJerkMag-meanFreq()