readActiGraphCount: Read ActiGraph Count data files (csv)

In GGIRread: Wearable Accelerometer Data File Readers

Read ActiGraph Count data files (csv)

Description

Reads ActiGraph Count data file. Currently a variety of csv format are facilitated.

Usage

  readActiGraphCount(filename = NULL, 
                            timeformat = "%m/%d/%Y %H:%M:%S",
                            desiredtz = "", configtz = NULL,
                            timeformatName = "timeformat")

Arguments

filename	filename (required)
timeformat	Character, timestemp format.
desiredtz	Character, timezone name where the accelerometer was worn. Timezone names are expected to be the timezone database names, e.g. Europe/London. See also: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
configtz	Character, timezone name where the accelerometer was configured. Leave NULL if equal to desiredtz. Timezones name are expected to be the timezone database names, e.g. Europe/London. See also: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
timeformatName	Character, name of timeformat variable to print in error message when timeformat is incorrect, of use to GGIR where argument names can differ.

Value

data	Matrix with one or multiple columns
epochSize	epoch size in seconds of data
startTime	POSIXlt format timestamp on which recording starts
deviceSerialNumber	Device serial number if it could be extracted from the file header

Author(s)

Vincent T van Hees <[e-mail]>

GGIRread documentation built on Oct. 25, 2024, 5:06 p.m.