GENEActivReader: Function (C++) to read binary files as produced by the...

In GGIRread: Wearable Accelerometer Data File Readers

Function (C++) to read binary files as produced by the GENEActiv accelerometer

Description

Function to read binary files as produced by the GENEActiv accelerometer by ActivInsights Ltd https://activinsights.com/

Usage

  GENEActivReader(filename, start = 0L, end = 0L, progress_bar = FALSE)

Arguments

filename	filename (required)
start	start page for reading data
end	end page for reading data
progress_bar	Boolean

Details

If only start page is defined then all data is read beyond start until the end of the file is reached

Value

info	List with ReadOK (good=0 or error=1), ReadErrors (Count of pages with read errors), SampleRate (Hertz), numBlocksTotal
time	Numeric vector with time in miliseconds since start page
x	Numeric vector with x-axis acceleration in gravitational units
y	Numeric vector with y-axis acceleration in gravitational units
z	Numeric vector with z-axis acceleration in gravitational units
temperature	matrix with battery voltage and corresponding timestamps
lux	Numeric vector with lux values in Volts

Author(s)

Patrick Bos <[e-mail]> Vincent T van Hees <[e-mail]>

GGIRread documentation built on Oct. 12, 2023, 1:06 a.m.