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: 0.1-8
Published: 2012-08-22
Author: Ralph Scherer
Maintainer: Ralph Scherer <scherer.ralph at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
In views: ClinicalTrials
CRAN checks: samplesize results


Reference manual: samplesize.pdf
Package source: samplesize_0.1-8.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: samplesize_0.1-8.tgz, r-oldrel: samplesize_0.1-8.tgz
OS X Mavericks binaries: r-release: samplesize_0.1-8.tgz
Old sources: samplesize archive