Table EMA_Context_Notified - StatisticalReinforcementLearningLab/HeartstepsV1Code GitHub Wiki

Variable Description
contextID User-EMA identifier, intended to link between EMA tables. However some EMAs are associated with more than one contextID.
userID User identifier; assigned gmail account
notified_time Date-time string (yyyy-MM-dd HH:mm:ss) for the EMA notification time
timezone Notification time zone name, dependent on the phone's localization settings
UTC_to_local_delta Notification time offset in hours from GMT/UTC, taking into account daylight savings time
ema_set_today Intended to be the order of the questions provided in the EMA, but often reflects the order of the previous EMA due to a race condition. This variable can be partially recovered from EMA_Response.
planning_today Intended to be the type of planning (no_planning, structured, unstructured) provided with the EMA, but often reflects the previous planning status due to a race condition. This variable can be partially recovered from Structured_Planning_Response and Unstructured_Planning_Response.
front_end_application Android package name of the application that in use at the notification time. If the screen was turned off, then "NA".
recognized_activity Google Activity Recognition result; the Detected Activity type with the highest confidence level, evaluated within 90 seconds of EMA notification
calendar Calendar busyness ("free" or "busy") up to 60 minutes from EMA notification
gps_coordinate GPS coordinate (latitude_longitude) giving the location at the notification time
city City name corresponding to the GPS coordinate
location_exact Location description ("work", "home", or establishment name) based on the GPS coordinate
location_category Location category ("work", "home" or the Google Place Type) based on the GPS coordinate
distance Distance in meters from the location category
home GPS coordinate (latitude_longitude) the home address
work GPS coordinate (latitude_longitude) the work address
weather_condition Current weather condition classification from Weather Underground's API, based on the GPS coordinate
temperature Temperature in celsius, based on the GPS coordinate
windspeed Wind speed in miles per hour, based on the GPS coordinate
precipitation_chance Precipitation chance (between 0 and 100) up to 60 minutes from EMA notification, based on the GPS coordinate
snow Snowfall in millimeters, based on the GPS coordinate