File format

Store formatted event information (numerical or categorical) happens at a time point, such as EMA prompt questions and responses.

File format

In csv format, separated by ,, no white space.

HEADER_TIME_STAMP,...
2015-01-05 15:23:00.244,...

Column name

1. HEADER_TIME_STAMP is required to be the first column.

2. Other column names are in UPPERCASE style, separated by _, allowed characters: alphabets and digits.

3. Column names should be predefined for a specific event type, including its name and value type.

4. If containing multiple participants, the second column should be PARTICIPANT_ID.

Examples

For EMA, column names may include RESPONSE_TIME, PROMPT_TIME, REPROMPT_INTERVAL, PROMPT_METHOD, QUESTION, ANSWER, PROMPT_INDEX, SURVEY_INDEX.

For PhoneCall, it may include DIRECTION, NUMBER, DURATION

For ObjectMove, it may include NODE_NAME, NODE_ID

For NearbyPlace, it may include DISTANCE, PLACE_NAME, CATEGORY_NAME.

See a predefined list of event id and corresponding event types.

HEADER_TIME_STAMP format

1. In local time zone, meaning the time zone where event happens. Time zone can be identified through filename convention.

2. YYYY-MM-DD HH:mm:ss.SSS

Data format

1. No white space.

2. If value is not available, use "" empty string instead.