| title | CodeBook |
|---|---|
| author | Sandra Meneses |
| date | Saturday, February 27, 2016 |
| output | html_document |
##Variable list and descriptions
| Variable name | Description |
|---|---|
| subject | ID the subject who performed the activity. |
| activity | Activity name |
| signal | Signal used to estimate variables |
| variable | Variable estimated from the signal (mean,std) |
| axis | Axis only for 3-axial signals (X,Y,Z) |
| magnitud | Value of the signals |
##Preview of the tidy data
head(dt_sub_separate)
# subject activity signal variable axis Magnitud
# 1 1 STANDING tBodyAcc mean X 0.2885845
# 2 1 STANDING tBodyAcc mean X 0.2784188
# 3 1 STANDING tBodyAcc mean X 0.2796531
# 4 1 STANDING tBodyAcc mean X 0.2791739
# 5 1 STANDING tBodyAcc mean X 0.2766288
# 6 1 STANDING tBodyAcc mean X 0.2771988