33 lines
1.5 KiB
Plaintext
33 lines
1.5 KiB
Plaintext
.csv files in this archive are in the following format:
|
|
The first row is the initial time of the session expressed as unix timestamp in UTC.
|
|
The second row is the sample rate expressed in Hz.
|
|
|
|
TEMP.csv
|
|
Data from temperature sensor expressed degrees on the Celsius (°C) scale.
|
|
|
|
EDA.csv
|
|
Data from the electrodermal activity sensor expressed as microsiemens (μS).
|
|
|
|
BVP.csv
|
|
Data from photoplethysmograph.
|
|
|
|
ACC.csv
|
|
Data from 3-axis accelerometer sensor. The accelerometer is configured to measure acceleration in the range [-2g, 2g]. Therefore the unit in this file is 1/64g.
|
|
Data from x, y, and z axis are respectively in first, second, and third column.
|
|
|
|
IBI.csv
|
|
Time between individuals heart beats extracted from the BVP signal.
|
|
No sample rate is needed for this file.
|
|
The first column is the time (respect to the initial time) of the detected inter-beat interval expressed in seconds (s).
|
|
The second column is the duration in seconds (s) of the detected inter-beat interval (i.e., the distance in seconds from the previous beat).
|
|
|
|
HR.csv
|
|
Average heart rate extracted from the BVP signal.The first row is the initial time of the session expressed as unix timestamp in UTC.
|
|
The second row is the sample rate expressed in Hz.
|
|
|
|
|
|
tags.csv
|
|
Event mark times.
|
|
Each row corresponds to a physical button press on the device; the same time as the status LED is first illuminated.
|
|
The time is expressed as a unix timestamp in UTC and it is synchronized with initial time of the session indicated in the related data files from the corresponding session.
|