Re: [R] Significance test for discrete data

From: Christophe Pallier <christophe_at_pallier.org>
Date: Thu, 10 May 2007 13:21:48 +0200

The Wilcoxon paired rank sign test assumes symmetry. (cf. http://www.basic.northwestern.edu/statguidefiles/srank_paired_alts.html )

Christophe Pallier

On 5/10/07, Alexander Kollmann <kollmann_at_telbiomed.at> wrote:
>
> Hello,
>
> given situation:
>
> - pre / post test comparison of discrete, paired data [values can be
> 1,2,3,4].
> - the data are neither normal distributed nor symetric
>
> Which test should I use to calculate the p-value? Is the wilcoxon rank sum
> test ok ?
>
>
> Alex
>
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