Table App usage data - StatisticalReinforcementLearningLab/HeartstepsV1Code GitHub Wiki

Data output by the app usage tracker are comma-separated, but application names that contain commas are not wrapped in quotes. Moreover the date-time field is dependent on the phone's locale, including the variant of English. To ensure that the data are parsed correctly, the downloaded files are pre-processed into the format below.

Variable	Description
App Name	Application name, stripped of any commas followed by whitespace
Start Date/Time	Date-time string (yyyy-MM-dd HH:mm:ss) for the time at which use of the named application was started
Duration	Duration of use with time units
Raw Duration	Duration of use in seconds