gps.acc.merge: Merging GPS and accelerometer files

In dprocter/modeid: modeid: Identification of travel modes from GPS and accelerometry data

Description

Returns a data.frame with Accelerometer and GPS data merged by timestamp

Usage

gps.acc.merge(acc.data, gpsfile, participant.id, epoch.length,
  british.time = FALSE, UTC.offset = 0)

Arguments

acc.data	The accelerometer data to merge, processed with process.acc
gpsfile	The GPS file to merge, a .csv
participant.id	A unique identifier for the participant
epoch.length	epoch.length in seconds, currently, 5, 10 or 15 seconds only tested
british.time	boolean, whether or not we the study is in Britain, so we need to check if the data was collected within BST and adjust GPS UTC timings by 1hour
UTC.offset	Hours offset from UTC, e.g. 3 hours ahead, UTC.offset=3, 3 hours behind, UTC=(-3)

Details

Currently only tested with Qstarz GPS device files. If you need other types contect the author , they can be included with ease

dprocter/modeid documentation built on May 19, 2019, 8:21 a.m.