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Contains a function to categorize accelerometer readings collected in free-living (e.g., for 24 hours/day for 7 days), preprocessed and compressed as counts (unit-less value) in a specified time period termed epoch (e.g., 1 minute) as either bedrest (sleep) or active. The input is a matrix with a timestamp column and a column with number of counts per epoch. The output is the same dataframe with an additional column termed bedrest. In the bedrest column each line (epoch) contains a function-generated classification 'br' or 'a' denoting bedrest/sleep and activity, respectively. The package is designed to be used after wear/nonwear marking function in the 'PhysicalActivity' package. Version 1.1 adds preschool thresholds and corrects for possible errors in algorithm implementation.
| Version: | 1.1 |
| Depends: | R (≥ 3.5.0), chron, stringr |
| Imports: | lubridate |
| Published: | 2020-09-14 |
| Author: | J. Dustin Tracy, Zhiyi Xu, Sari Acra, Kong Y. Chen, Maciej S. Buchowski, Thomas Donnelly |
| Maintainer: | J. Dustin Tracy <tracy at chapman.edu> |
| License: | GPL (≥ 3) |
| NeedsCompilation: | no |
| CRAN checks: | PhysActBedRest results |
| Reference manual: | PhysActBedRest.pdf |
| Package source: | PhysActBedRest_1.1.tar.gz |
| Windows binaries: | r-devel: PhysActBedRest_1.1.zip, r-release: PhysActBedRest_1.1.zip, r-oldrel: PhysActBedRest_1.1.zip |
| macOS binaries: | r-release (arm64): PhysActBedRest_1.1.tgz, r-oldrel (arm64): PhysActBedRest_1.1.tgz, r-release (x86_64): PhysActBedRest_1.1.tgz, r-oldrel (x86_64): PhysActBedRest_1.1.tgz |
| Old sources: | PhysActBedRest archive |
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