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samplesize: Sample Size Calculation for Various t-Tests and Wilcoxon-Test

Computes sample size for Student's t-test and for the Wilcoxon-Mann-Whitney test for categorical data. The t-test function allows paired and unpaired (balanced / unbalanced) designs as well as homogeneous and heterogeneous variances. The Wilcoxon function allows for ties.

Version: 0.2-4
Published: 2016-12-24
DOI: 10.32614/CRAN.package.samplesize
Author: Ralph Scherer
Maintainer: Ralph Scherer <shearer.ra76 at gmail.com>
BugReports: https://github.com/shearer/samplesize/issues
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
URL: https://github.com/shearer/samplesize
NeedsCompilation: no
In views: ClinicalTrials
CRAN checks: samplesize results

Documentation:

Reference manual: samplesize.pdf

Downloads:

Package source: samplesize_0.2-4.tar.gz
Windows binaries: r-devel: samplesize_0.2-4.zip, r-release: samplesize_0.2-4.zip, r-oldrel: samplesize_0.2-4.zip
macOS binaries: r-release (arm64): samplesize_0.2-4.tgz, r-oldrel (arm64): samplesize_0.2-4.tgz, r-release (x86_64): samplesize_0.2-4.tgz, r-oldrel (x86_64): samplesize_0.2-4.tgz
Old sources: samplesize 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.