On Wed, 26 Aug 2009 12:18:53 +0100 "Mcdonald, Grant" <grant.mcdonal...@imperial.ac.uk> wrote:
MG> is the wilcox.test function equivalent to mann-whitney u? Is there Yes, the test is the same. It is also called wilcoxon mann whitney test because the authors created the test independently. MG> a way to gain the U-value as apposed to the W-value in R? What would be the purpose of this when you already have the p-value given? As far as I know W and U are related. Look at http://en.wikipedia.org/wiki/Mann%E2%80%93Whitney_U and calculate the U1 U2 with the values of the example(wilcox.test). You have not described how your data look like. In case of tie's (equal values) use wilcox_test of the coin package. hth Stefan ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
