This code book is a reference to understand the different features present in tidy.txt.
subject- Unique identifier for the subject of the observationsactivity- Type of activity performed during the measurement
There was an aliasing process where integer values were renamed with an activity to make the dataset easier to understand
WALKING(value1): During this measuremente the subject was walkingWALKING_UPSTAIRS(value2): During this measuremente the subject was walking upstairsWALKING_DOWNSTAIRS(value3): During this measuremente the subject was walking downstaisSITTING(value4): During this measuremente the subject was sittingSTANDING(value5): During this measurmente the subject was standingLAYING(value6): During this measurmente the subject was laying
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