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.

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