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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: Comput Methods Programs Biomed. 2016 Sep 23;137:203–213. doi: 10.1016/j.cmpb.2016.09.016

Table 2.

Selected features.

Selected features

NB DA CT
Day of the study Day of the study Day of the study
Feeling tense? Feeling tense? Feeling tense?
Feeling energetic? Feeling energetic? Day of week
Interacting
  with others?
Feeling restless? Feeling restless?
Is the subject alone?
What is the subject’s
arousal level?
Drinking coffee?
Feeling contented?
Inactive?
Feeling miserable?
Feeling sad?