Wearable Accelerometer Data File Readers R package GGIRread version 1.0.8 Reads data collected from wearable acceleratometers as used in sleep and physical activity research. Currently supports file formats: binary data from 'GENEActiv' <https://activinsights.com/>, .bin-format from GENEA devices (not for sale), and .cwa-format from 'Axivity' <https://axivity.com>. Further, it has functions for reading text files with epoch level aggregates from 'Actical', 'Fitbit', 'Actiwatch', 'ActiGraph', and 'PhilipsHealthBand'. Primarily designed to complement R package GGIR <https://CRAN.R-project.org/package=GGIR>. Software Depends: stats, utils, R (>= 3.5.0) Imports: matlab, bitops, Rcpp (>= 0.12.10), data.table, readxl, jsonlite, digest LinkingTo: Rcpp Suggests: testthat Vincent T van Hees <v.vanhees@accelting.com> Comprehensive R Archive Network (CRAN) Vincent T van Hees [aut, cre], Patrick Bos [aut] (ORCID: <https://orcid.org/0000-0002-6033-960X>), Lena Kushleyeva [ctb], Jing Hua Zhao [ctb], Evgeny Mirkes [ctb], Dan Jackson [ctb], Jairo H Migueles [ctb], Medical Research Council UK [cph, fnd], Accelting [cph, fnd] Apache License (== 2.0) 2026-03-11 application/tgz https://CRAN.R-project.org/package=GGIRread doi:10.32614/CRAN.package.GGIRread