This code book summarizes the resulting data fields in tidy.txt.
Tidy data contains 180 rows and 68 columns.
Each row has mean computed for each activity and subject.
- Subject column is numbered sequentially from 1 to 30.
- Activity column has 6 types as listed below.
- WALKING
- WALKING_UPSTAIRS
- WALKING_DOWNSTAIRS
- SITTING
- STANDING
- LAYING
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