This codebook presents the contents of the tidy.txt file. The tidy.txt contains a independent tidy data set with the average of each variable for each activity and each subject.
- subject - subject identifier
- activity - subject activity (WALKING, LAYING, ...)
- tBodyAccMeanX
- tBodyAccMeanY
- tBodyAccMeanZ
- tBodyAccStdX
- tBodyAccStdY
- tBodyAccStdZ
- tGravityAccMeanX
- tGravityAccMeanY
- tGravityAccMeanZ
- tGravityAccStdX
- tGravityAccStdY
- tGravityAccStdZ
- tBodyAccJerkMeanX
- tBodyAccJerkMeanY
- tBodyAccJerkMeanZ
- tBodyAccJerkStdX
- tBodyAccJerkStdY
- tBodyAccJerkStdZ
- tBodyGyroMeanX
- tBodyGyroMeanY
- tBodyGyroMeanZ
- tBodyGyroStdX
- tBodyGyroStdY
- tBodyGyroStdZ
- tBodyGyroJerkMeanX
- tBodyGyroJerkMeanY
- tBodyGyroJerkMeanZ
- tBodyGyroJerkStdX
- tBodyGyroJerkStdY
- tBodyGyroJerkStdZ
- tBodyAccMagMean
- tBodyAccMagStd
- tGravityAccMagMean
- tGravityAccMagStd
- tBodyAccJerkMagMean
- tBodyAccJerkMagStd
- tBodyGyroMagMean
- tBodyGyroMagStd
- tBodyGyroJerkMagMean
- tBodyGyroJerkMagStd
- fBodyAccMeanX
- fBodyAccMeanY
- fBodyAccMeanZ
- fBodyAccStdX
- fBodyAccStdY
- fBodyAccStdZ
- fBodyAccMeanFreqX
- fBodyAccMeanFreqY
- fBodyAccMeanFreqZ
- fBodyAccJerkMeanX
- fBodyAccJerkMeanY
- fBodyAccJerkMeanZ
- fBodyAccJerkStdX
- fBodyAccJerkStdY
- fBodyAccJerkStdZ
- fBodyAccJerkMeanFreqX
- fBodyAccJerkMeanFreqY
- fBodyAccJerkMeanFreqZ
- fBodyGyroMeanX
- fBodyGyroMeanY
- fBodyGyroMeanZ
- fBodyGyroStdX
- fBodyGyroStdY
- fBodyGyroStdZ
- fBodyGyroMeanFreqX
- fBodyGyroMeanFreqY
- fBodyGyroMeanFreqZ
- fBodyAccMagMean
- fBodyAccMagStd
- fBodyAccMagMeanFreq
- fBodyBodyAccJerkMagMean
- fBodyBodyAccJerkMagStd
- fBodyBodyAccJerkMagMeanFreq
- fBodyBodyGyroMagMean
- fBodyBodyGyroMagStd
- fBodyBodyGyroMagMeanFreq
- fBodyBodyGyroJerkMagMean
- fBodyBodyGyroJerkMagStd
- fBodyBodyGyroJerkMagMeanFreq