File format

Store numerical or categorical feature data derived from sensor or event files.

File format

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

HEADER_TIME_STAMP,START_TIME,STOP_TIME,[FEATURE_NAME],...
2015-01-05 15:23:00.244,2015-01-05 15:20:00.244,2015-01-05 15:21:00.244,1.44,...

Columns

COLUMN_NAME	POSITION	Value type	Values	Required
HEADER_TIME_STAMP	1	String	e.g. 2015-01-05 15:23:00.244	Yes
START_TIME	2	String	e.g. 2015-01-05 15:23:00.244	Yes
STOP_TIME	3	String	e.g. 2015-01-05 15:23:00.244	Yes
[FEATURE_NAME]	4-?	String	e.g. X_CORRELATION, WRIST_X_CORRELATION	Yes
PARTICIPANT_ID	last	String	e.g. SPADES_1	No

Actual feature name, there may be multiple ones.

HEADER_TIME_STAMP, START_TIME, STOP_TIME 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

Other columns' format

1. No white space.

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