# [Rd] Help: StatXact

**Torsten Hothorn
**
Torsten.Hothorn@rzmail.uni-erlangen.de

*Mon, 18 Dec 2000 19:53:03 +0100 (MET)*

>* # Data from the StatXact-4 manual, page 221
*>* treat <- c(94, 108, 110, 90)
*>* contr <- c(80, 94, 85, 90, 90, 90, 108, 94, 78, 105, 88)
*>*
*>* My results:
*
Upps, sorry, those results where totally non-sense. I'm to tired ;-)
here are the results of my current implementation for the dataset above
(but data were correct!):
>* wilcox.exact(treat, contr)
*
Wilcoxon rank sum test
data: treat and contr
W = 35, p-value = 0.0989
alternative hypothesis: true mu is not equal to 0
>* wilcox.exact(treat, contr, alternative="l")
*
Wilcoxon rank sum test
data: treat and contr
W = 35, p-value = 0.9648
alternative hypothesis: true mu is less than 0
>* wilcox.exact(treat, contr, alternative="g")
*
Wilcoxon rank sum test
data: treat and contr
W = 35, p-value = 0.05568
alternative hypothesis: true mu is greater than 0
Sorry again,
Torsten
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