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.

crantastic!

Brought to you by Hadley Wickham and Bjørn Mæland. About crantastic. Like it? Hate it? Let us know at cranatic@gmail.com.
All crantastic content and data (including user contributions) are available under the CC Attribution-Share Alike 3.0 Unported license.