The TidyAverages.txt output contains means of some of the quantities obtained from the UCI HAR Dataset. Each row in the dataset contains an average of a given variable (ex tBodyAcc-X) for all trials a subject did performing the same activity (ex averages of all of subject 1 LAYING trials). Each row contains a subject ID number, activity name and the average of the quantity listed at the top of each column. The variables that are included in the TidyAverages.txt output are listed in this file under Data about motion obtained from phone.
##Activities performed during trials WALKING WALKING_UPSTAIRS WALKING_DOWNSTAIRS SITTING STANDING LAYING
##Subjects There are 30 subjects in the dataset.
##Columns in the dataset: "Subject_ID" - the subject identification number
"Activity_Name" - the activity being performed while data was collected
###Data about motion obtained from the phone "tBodyAcc-mean()-X"
"tBodyAcc-mean()-Y"
"tBodyAcc-mean()-Z"
"tGravityAcc-mean()-X"
"tGravityAcc-mean()-Y"
"tGravityAcc-mean()-Z"
"tBodyAccJerk-mean()-X"
"tBodyAccJerk-mean()-Y"
"tBodyAccJerk-mean()-Z"
"tBodyGyro-mean()-X"
"tBodyGyro-mean()-Y"
"tBodyGyro-mean()-Z"
"tBodyGyroJerk-mean()-X"
"tBodyGyroJerk-mean()-Y"
"tBodyGyroJerk-mean()-Z"
"tBodyAccMag-mean()"
"tGravityAccMag-mean()"
"tBodyAccJerkMag-mean()"
"tBodyGyroMag-mean()"
"tBodyGyroJerkMag-mean()"
"fBodyAcc-mean()-X"
"fBodyAcc-mean()-Y"
"fBodyAcc-mean()-Z"
"fBodyAccJerk-mean()-X"
"fBodyAccJerk-mean()-Y"
"fBodyAccJerk-mean()-Z"
"fBodyGyro-mean()-X"
"fBodyGyro-mean()-Y"
"fBodyGyro-mean()-Z"
"fBodyAccMag-mean()"
"fBodyBodyAccJerkMag-mean()"
"fBodyBodyGyroMag-mean()"
"fBodyBodyGyroJerkMag-mean()"
"tBodyAcc-std()-X"
"tBodyAcc-std()-Y"
"tBodyAcc-std()-Z"
"tGravityAcc-std()-X"
"tGravityAcc-std()-Y"
"tGravityAcc-std()-Z"
"tBodyAccJerk-std()-X"
"tBodyAccJerk-std()-Y"
"tBodyAccJerk-std()-Z"
"tBodyGyro-std()-X"
"tBodyGyro-std()-Y"
"tBodyGyro-std()-Z"
"tBodyGyroJerk-std()-X"
"tBodyGyroJerk-std()-Y"
"tBodyGyroJerk-std()-Z"
"tBodyAccMag-std()"
"tGravityAccMag-std()"
"tBodyAccJerkMag-std()"
"tBodyGyroMag-std()"
"tBodyGyroJerkMag-std()"
"fBodyAcc-std()-X"
"fBodyAcc-std()-Y"
"fBodyAcc-std()-Z"
"fBodyAccJerk-std()-X"
"fBodyAccJerk-std()-Y"
"fBodyAccJerk-std()-Z"
"fBodyGyro-std()-X"
"fBodyGyro-std()-Y"
"fBodyGyro-std()-Z"
"fBodyAccMag-std()"
"fBodyBodyAccJerkMag-std()"
"fBodyBodyGyroMag-std()"
"fBodyBodyGyroJerkMag-std()"