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SteppedPower: Power Calculation for Stepped Wedge Designs

Tools for power and sample size calculation as well as design diagnostics for longitudinal mixed model settings, with a focus on stepped wedge designs. All calculations are oracle estimates i.e. assume random effect variances to be known (or guessed) in advance. The method is introduced in Hussey and Hughes (2007) <doi:10.1016/j.cct.2006.05.007>, extensions are discussed in Li et al. (2020) <doi:10.1177/0962280220932962>.

Version: 0.3.5
Imports: Matrix, plotly, Rfast, grDevices, stats, utils
Suggests: knitr, rmarkdown, swCRTdesign, testthat, pwr
Published: 2024-04-29
DOI: 10.32614/CRAN.package.SteppedPower
Author: Philipp Mildenberger ORCID iD [aut, cre], Federico Marini ORCID iD [ctb]
Maintainer: Philipp Mildenberger <pmildenb at uni-mainz.de>
License: MIT + file LICENSE
NeedsCompilation: no
Materials: README NEWS
CRAN checks: SteppedPower results

Documentation:

Reference manual: SteppedPower.pdf
Vignettes: Getting Started with 'SteppedPower'
Incomplete Stepped Wedge Designs

Downloads:

Package source: SteppedPower_0.3.5.tar.gz
Windows binaries: r-devel: SteppedPower_0.3.5.zip, r-release: SteppedPower_0.3.5.zip, r-oldrel: SteppedPower_0.3.5.zip
macOS binaries: r-release (arm64): SteppedPower_0.3.5.tgz, r-oldrel (arm64): SteppedPower_0.3.5.tgz, r-release (x86_64): SteppedPower_0.3.5.tgz, r-oldrel (x86_64): SteppedPower_0.3.5.tgz
Old sources: SteppedPower archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.