samplesize (0.1-8)
Sample size calculation for various t-Tests and Wilcoxon-Test.
http://cran.r-project.org/web/packages/samplesize
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.
Maintainer:
Ralph Scherer
Author(s): Ralph Scherer
License: GPL (>= 2)
Uses: Does not use any package
Released 9 months ago.
2 previous versions
- samplesize_0.1-7. Released about 3 years ago.
- samplesize_0.1-6. Released over 3 years ago.
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