1 subject
2 activity_description
3 tBodyAcc-mean()-X
4 tBodyAcc-mean()-Y
5 tBodyAcc-mean()-Z
6 tBodyAcc-std()-X
7 tBodyAcc-std()-Y
8 tBodyAcc-std()-Z
9 tGravityAcc-mean()-X
10 tGravityAcc-mean()-Y
11 tGravityAcc-mean()-Z
12 tGravityAcc-std()-X
13 tGravityAcc-std()-Y
14 tGravityAcc-std()-Z
15 tBodyAccJerk-mean()-X
16 tBodyAccJerk-mean()-Y
17 tBodyAccJerk-mean()-Z
18 tBodyAccJerk-std()-X
19 tBodyAccJerk-std()-Y
20 tBodyAccJerk-std()-Z
21 tBodyGyro-mean()-X
22 tBodyGyro-mean()-Y
23 tBodyGyro-mean()-Z
24 tBodyGyro-std()-X
25 tBodyGyro-std()-Y
26 tBodyGyro-std()-Z
27 tBodyGyroJerk-mean()-X
28 tBodyGyroJerk-mean()-Y
29 tBodyGyroJerk-mean()-Z
30 tBodyGyroJerk-std()-X
31 tBodyGyroJerk-std()-Y
32 tBodyGyroJerk-std()-Z
33 tBodyAccMag-mean()
34 tBodyAccMag-std()
35 tGravityAccMag-mean()
36 tGravityAccMag-std()
37 tBodyAccJerkMag-mean()
38 tBodyAccJerkMag-std()
39 tBodyGyroMag-mean()
40 tBodyGyroMag-std()
41 tBodyGyroJerkMag-mean()
42 tBodyGyroJerkMag-std()
43 fBodyAcc-mean()-X
44 fBodyAcc-mean()-Y
45 fBodyAcc-mean()-Z
46 fBodyAcc-std()-X
47 fBodyAcc-std()-Y
48 fBodyAcc-std()-Z
49 fBodyAccJerk-mean()-X
50 fBodyAccJerk-mean()-Y
51 fBodyAccJerk-mean()-Z
52 fBodyAccJerk-std()-X
53 fBodyAccJerk-std()-Y
54 fBodyAccJerk-std()-Z
55 fBodyGyro-mean()-X
56 fBodyGyro-mean()-Y
57 fBodyGyro-mean()-Z
58 fBodyGyro-std()-X
59 fBodyGyro-std()-Y
60 fBodyGyro-std()-Z
61 fBodyAccMag-mean()
62 fBodyAccMag-std()
63 fBodyBodyAccJerkMag-mean()
64 fBodyBodyAccJerkMag-std()
65 fBodyBodyGyroMag-mean()
66 fBodyBodyGyroMag-std()
67 fBodyBodyGyroJerkMag-mean()
68 fBodyBodyGyroJerkMag-std()
subject: This column identifies the person ID who performed the activity. This column value ranges from 1 to 30.
activity_description: This column lists the activity name performed. There are 6 activities: WALKING, WALKING_UPSTAIRS, WALKING_DOWNSTAIRS, SITTING, STANDING and LAYING.
The rest of the variables are the averages of the signals (the mean and standard deviations of the signals listed below) for each person for each activity.
tBodyAcc-XYZ
tGravityAcc-XYZ
tBodyAccJerk-XYZ
tBodyGyro-XYZ
tBodyGyroJerk-XYZ
tBodyAccMag
tGravityAccMag
tBodyAccJerkMag
tBodyGyroMag
tBodyGyroJerkMag
fBodyAcc-XYZ
fBodyAccJerk-XYZ
fBodyGyro-XYZ
fBodyAccMag
fBodyAccJerkMag
fBodyGyroMag
fBodyGyroJerkMag
where '-XYZ' is used to denote 3-axial signals in the X, Y and Z directions.