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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.
Package details |
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Author | Ralph Scherer |
Maintainer | Ralph Scherer <shearer.ra76@gmail.com> |
License | GPL (>= 2) |
Version | 0.2-4 |
URL | https://github.com/shearer/samplesize |
Package repository | View on CRAN |
Installation |
Install the latest version of this package by entering the following in R:
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