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Codebook for GCDProj

Summary of Output variables in tidy_data.csv

Subject

Subject ID, numeric, 1-30

Activity

Activity name, string:

  • LAYING
  • SITTING
  • STANDING
  • WALKING
  • WALKING_DOWNSTAIRS
  • WALKING_UPSTAIRS

[Var. measurements]

Arithmetic averages of the mean and standard deviation for each of the measurements in the HAR Dataset. Data are in scientific notation, due to having been normalized to lie between 0 and 1.

For more information on those measurements, see http://archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones#