Quick view of supported file types
A quick review of the supported file types in mhealth-storage compatible dataset
File types are identified in the suffix before file extension, separated by symbol `.`. Current format reserves identifiers for six file types: sensor, event, annotation, feature, class and log. You may extend with your own file type identifier.
xxx.xxxxxx.2016-01-01-08-00-00-000-[M/P]HHmm.sensor.csv
xxx.xxxxxx.2016-01-01-09-00-00-110-[M/P]HHmm.event.csv
xxx.xxxxxx.2016-01-01-09-00-00-110-[M/P]HHmm.annotation.csv
xxx.xxxxxx.2016-01-01-09-00-00-110-[M/P]HHmm.feature.csv
xxx.xxxxxx.2016-01-01-09-00-00-110-[M/P]HHmm.class.csv
xxx.xxxxxx.2016-01-01-09-00-00-110-[M/P]HHmm.log.csv
File types to store raw information
sensor data
Store raw sensor data in high or low sampling frequency.
User can add their own
sensor type
to define newsenosr
data file format.
Filename convention
DeviceType-DataType-VersionCode.DEVICEID-SENSORTYPE.YYYY-MM-DD-HH-mm-ss-SSS-[M/P]HHmm.sensor.csv(.gz)
ActigraphGT9X-AccelerometerCalibrated-0x0x0.TASXXXXXXX-ACCEL.2018-01-01-11-00-00-000-P0000.sensor.csv
File format
HEADER_TIME_STAMP,X,Y,Z,[GROUP_1],[GROUP_2],...
2015-01-05 15:23:00.244,2.456,3.123,4.321,2.331,P1,TASXXXX,...
2015-01-05 15:23:00.244,2.456,3.123,4.321,2.331,P2,TASXXXX,...
2015-01-05 15:23:00.244,2.456,3.123,4.321,2.331,P3,TASXXXX,...
event data
Store formatted event information (numerical or categorical) happens at a time point, such as EMA prompt questions and responses.
Filename Convention
DeviceType-EventType-VersionCode.DEVICEID-EVENTTYPE.YYYY-MM-DD-HH-mm-ss-SSS-[M/P]HHmm.event.csv
Nexus5-EMAResponses-0x0x0.0123456789-EMARESPONSES.2018-01-01-11-00-00-000-P0000.event.csv
File format
HEADER_TIME_STAMP,DIRECTION,NUMBER,DURATION_IN_SECONDS
2015-01-05 15:23:00.244,Out,617-xxx-xxxx,300
HEADER_TIME_STAMP,PROMPT_TIME,RESPONSE_TIME,QUESTION,ANSWER
2015-01-05 15:23:00.244,2015-01-05 15:22:00.244,2015-01-05 15:22:03.244,"Where are you?","Home"
annotation data
Store annotation information by user or by annotator. Annotation set may be from user definition or predefined annotation set.
Filename Convention
AnnotationSet.ANNOTATIONSETID-ANNOTATORID-VERSIONCODE.YYYY-MM-DD-HH-mm-ss-SSS-[M/P]HHmm.annotation.csv
File format
HEADER_TIME_STAMP,START_TIME,STOP_TIME,LABEL_NAME
2015-01-05 15:23:00.244,2015-01-05 15:20:00.244,2015-01-05 15:21:00.244,Walking
File types for data analysis
feature
file
feature
fileStore numerical or categorical feature data derived from
sensor
orevent
files.
Filename Convention
FeatureType.FEATUREID-VERSIONCODE.YYYY-MM-DD-HH-mm-ss-SSS-[M/P]HHmm.feature.csv[.gz]
File format
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,...
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