Data Dictionary - 2012 Human Activity Recognition Using Smartphones
subject 2
Subject Id
1..30 Unique identifier of study participant
activity 18
Name of recorded activity
WALKING
WALKING_UPSTAIRS
WALKING_DOWNSTAIRS
SITTING
STANDING
LAYING
tBodyAcc-mean()-X 12
Time domain body acceleration signal mean - X-axis
-1..1 Mean value of original measurement
tBodyAcc-mean()-Y 12
Time domain body acceleration signal mean - Y-axis
-1..1 Mean value of original measurement
tBodyAcc-mean()-Z 12
Time domain body acceleration signal mean - Z-axis
-1..1 Mean value of original measurement
tBodyAcc-std()-X 12
Time domain body acceleration signal standard deviation - X-axis
-1..1 Mean value of original measurement
tBodyAcc-std()-Y 12
Time domain body acceleration signal standard deviation - Y-axis
-1..1 Mean value of original measurement
tBodyAcc-std()-Z 12
Time domain body acceleration signal standard deviation- Z-axis
-1..1 Mean value of original measurement
tGravityAcc-mean()-X 12
Time domain gravity acceleration signal mean - X-axis
-1..1 Mean value of original measurement
tGravityAcc-mean()-Y 12
Time domain gravity acceleration signal mean - Y-axis
-1..1 Mean value of original measurement
tGravityAcc-mean()-Z 12
Time domain gravity acceleration signal mean - Z-axis
-1..1 Mean value of original measurement
tGravityAcc-std()-X 12
Time domain gravity acceleration signal standard deviation - X-axis
-1..1 Mean value of original measurement
tGravityAcc-std()-Y 12
Time domain gravity acceleration signal standard deviation - Y-axis
-1..1 Mean value of original measurement
tGravityAcc-std()-Z 12
Time domain gravity acceleration signal standard deviation - Z-axis
-1..1 Mean value of original measurement
tBodyAccJerk-mean()-X 12
Time domain body acceleration jerk signal mean - X-axis
-1..1 Mean value of original measurement
tBodyAccJerk-mean()-Y 12
Time domain body acceleration jerk signal mean - Y-axis
-1..1 Mean value of original measurement
tBodyAccJerk-mean()-Z 12
Time domain body acceleration jerk signal mean - Z-axis
-1..1 Mean value of original measurement
tBodyAccJerk-std()-X 12
Time domain body acceleration jerk signal standard deviation - X-axis
-1..1 Mean value of original measurement
tBodyAccJerk-std()-Y 12
Time domain body acceleration jerk signal standard deviation - Y-axis
-1..1 Mean value of original measurement
tBodyAccJerk-std()-Z 12
Time domain body acceleration jerk signal standard deviation - Z-axis
-1..1 Mean value of original measurement
tBodyGyro-mean()-X 12
Time domain body gyroscope signal mean - X-axis
-1..1 Mean value of original measurement
tBodyGyro-mean()-Y 12
Time domain body gyroscope signal mean - Y-axis
-1..1 Mean value of original measurement
tBodyGyro-mean()-Z 12
Time domain body gyroscope signal mean - Z-axis
-1..1 Mean value of original measurement
tBodyGyro-std()-X 12
Time domain body gyroscope signal standard deviation - X-axis
-1..1 Mean value of original measurement
tBodyGyro-std()-Y 12
Time domain body gyroscope signal standard deviation - Y-axis
-1..1 Mean value of original measurement
tBodyGyro-std()-Z 12
Time domain body gyroscope signal standard deviation - Z-axis
-1..1 Mean value of original measurement
tBodyGyroJerk-mean()-X 12
Time domain body gyroscope jerk signal mean - X-axis
-1..1 Mean value of original measurement
tBodyGyroJerk-mean()-Y 12
Time domain body gyroscope jerk signal mean - Y-axis
-1..1 Mean value of original measurement
tBodyGyroJerk-mean()-Z 12
Time domain body gyroscope jerk signal mean - Z-axis
-1..1 Mean value of original measurement
tBodyGyroJerk-std()-X 12
Time domain body gyroscope jerk signal standard deviation - X-axis
-1..1 Mean value of original measurement
tBodyGyroJerk-std()-Y 12
Time domain body gyroscope jerk signal standard deviation - Y-axis
-1..1 Mean value of original measurement
tBodyGyroJerk-std()-Z 12
Time domain body gyroscope jerk signal standard deviation - Z-axis
-1..1 Mean value of original measurement
tBodyAccMag-mean() 12
Time domain body acceleration signal magnitude mean
-1..1 Mean value of original measurement
tBodyAccMag-std() 12
Time domain body acceleration signal magnitude standard deviation
-1..1 Mean value of original measurement
tGravityAccMag-mean() 12
Time domain gravity acceleration signal magnitude mean
-1..1 Mean value of original measurement
tGravityAccMag-std() 12
Time domain gravity acceleration signal magnitude standard deviation
-1..1 Mean value of original measurement
tBodyAccJerkMag-mean() 12
Time domain body acceleration jerk signal magnitude mean
-1..1 Mean value of original measurement
tBodyAccJerkMag-std() 12
Time domain body acceleration jerk signal magnitude standard deviation
-1..1 Mean value of original measurement
tBodyGyroMag-mean() 12
Time domain body gyrometer signal magnitude mean
-1..1 Mean value of original measurement
tBodyGyroMag-std() 12
Time domain body gyrometer signal magnitude standard deviation
-1..1 Mean value of original measurement
tBodyGyroJerkMag-mean() 12
Time domain body gyrometer jerk signal magnitude mean
-1..1 Mean value of original measurement
tBodyGyroJerkMag-std() 12
Time domain body gyrometer jerk signal magnitude standard deviation
-1..1 Mean value of original measurement
fBodyAcc-mean()-X 12
Frequency domain body acceleration signal mean - X-axis
-1..1 Mean value of original measurement
fBodyAcc-mean()-Y 12
Frequency domain body acceleration signal mean - Y-axis
-1..1 Mean value of original measurement
fBodyAcc-mean()-Z 12
Frequency domain body acceleration signal mean - Z-axis
-1..1 Mean value of original measurement
fBodyAcc-std()-X 12
Frequency domain body acceleration signal standard deviation - X-axis
-1..1 Mean value of original measurement
fBodyAcc-std()-Y 12
Frequency domain body acceleration signal standard deviation - Y-axis
-1..1 Mean value of original measurement
fBodyAcc-std()-Z 12
Frequency domain body acceleration signal standard deviation - Z-axis
-1..1 Mean value of original measurement
fBodyAccJerk-mean()-X 12
Frequency domain body acceleration jerk signal mean - X-axis
-1..1 Mean value of original measurement
fBodyAccJerk-mean()-Y 12
Frequency domain body acceleration jerk signal mean - Y-axis
-1..1 Mean value of original measurement
fBodyAccJerk-mean()-Z 12
Frequency domain body acceleration jerk signal mean - Z-axis
-1..1 Mean value of original measurement
fBodyAccJerk-std()-X 12
Frequency domain body acceleration jerk signal standard deviation - X-axis
-1..1 Mean value of original measurement
fBodyAccJerk-std()-Y 12
Frequency domain body acceleration jerk signal standard deviation - Y-axis
-1..1 Mean value of original measurement
fBodyAccJerk-std()-Z 12
Frequency domain body acceleration jerk signal standard deviation - Z-axis
-1..1 Mean value of original measurement
fBodyGyro-mean()-X 12
Frequency domain body gyrometer signal mean - X-axis
-1..1 Mean o f linear acceleration mean
fBodyGyro-mean()-Y 12
Frequency domain body gyrometer signal mean - Y-axis
-1..1 Mean value of original measurement
fBodyGyro-mean()-Z 12
Frequency domain body gyrometer signal mean - Z-axis
-1..1 Mean value of original measurement
fBodyGyro-std()-X 12
Frequency domain body gyrometer signal standard deviation - X-axis
-1..1 Mean value of original measurement
fBodyGyro-std()-Y 12
Frequency domain body gyrometer signal standard deviation - Y-axis
-1..1 Mean value of original measurement
fBodyGyro-std()-Z 12
Frequency domain body gyrometer signal standard deviation - Z-axis
-1..1 Mean value of original measurement
fBodyAccMag-mean() 12
Frequency domain body acceleration signal magnitude mean
-1..1 Mean value of original measurement
fBodyAccMag-std() 12
Frequency domain body acceleration signal magnitude standard deviation
-1..1 Mean value of original measurement
fBodyBodyAccJerkMag-mean() 12
Frequency domain body acceleration jerk signal mean
-1..1 Mean value of original measurement
fBodyBodyAccJerkMag-std() 12
Frequency domain body acceleration jerk signal standard deviation
-1..1 Mean value of original measurement
fBodyBodyGyroMag-mean() 12
Frequency domain body gyrometer signal magnitude mean
-1..1 Mean value of original measurement
fBodyBodyGyroMag-std() 12
Frequency domain body gyrometer signal magnitude standard deviation
-1..1 Mean value of original measurement
fBodyBodyGyroJerkMag-mean() 12
Frequency domain body gyrometer jerk signal magnitude mean
-1..1 Mean value of original measurement
fBodyBodyGyroJerkMag-std() 12
Frequency domain body gyrometer jerk signal magnitude standard deviation
-1..1 Mean value of original measurement