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.
- Ralph Scherer
- Date of publication
- 2015-07-01 06:11:47
- Ralph Scherer <email@example.com>
- GPL (>= 2)
- n.ttest computes sample size for paired and unpaired t-tests.
- Sample size for Wilcoxon-Mann-Whitney for ordinal data
- Computes sample size for several two-sample tests
Files in this package