CodeBook.md

Code Book

Human Activity Recognition Using Smartphones

Average Means and Standard Deviations

Identifiers

• Subject (numeric)

• Activity (character)

  • WALKING
  • WALKING_UPSTAIRS
  • WALKING_DOWNSTAIRS
  • SITTING
  • STANDING
  • LAYING

Features (numeric)

These features represent the averages of measurements taken for each subject and activity

• 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
• fBodyAccJerk-mean()-X
• fBodyAccJerk-mean()-Y
• fBodyAccJerk-mean()-Z
• fBodyAccJerk-std()-X
• fBodyAccJerk-std()-Y
• fBodyAccJerk-std()-Z
• fBodyGyro-mean()-X
• fBodyGyro-mean()-Y
• fBodyGyro-mean()-Z
• fBodyGyro-std()-X
• fBodyGyro-std()-Y
• fBodyGyro-std()-Z
• fBodyAccMag-mean()
• fBodyAccMag-std()
• fBodyBodyAccJerkMag-mean()
• fBodyBodyAccJerkMag-std()
• fBodyBodyGyroMag-mean()
• fBodyBodyGyroMag-std()
• fBodyBodyGyroJerkMag-mean()
• fBodyBodyGyroJerkMag-std()