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samplesize (version 0.2-4)

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

Description

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.

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Install

install.packages('samplesize')

Monthly Downloads

352

Version

0.2-4

License

GPL (>= 2)

Issues

2

Pull Requests

0

Stars

5

Forks

2

Maintainer

Ralph Scherer

Last Published

December 24th, 2016

Functions in samplesize (0.2-4)

n.wilcox.ord

Sample size for Wilcoxon-Mann-Whitney for ordinal data
samplesize-package

Computes sample size for several two-sample tests
n.ttest

n.ttest computes sample size for paired and unpaired t-tests.