[SciPy-user] help with scipy.stats.mannwhitneyu

josef.pktd@gmai... josef.pktd@gmai...
Thu Feb 5 09:36:08 CST 2009


On Thu, Feb 5, 2009 at 9:38 AM, Sturla Molden <sturla@molden.no> wrote:
> On 2/5/2009 3:33 PM, josef.pktd@gmail.com wrote:
>
>> wilcoxon is a similar test for paired instead of independent samples,
>> and there the recommendation in the docstring is for N>20.
>
> There are two Wilcoxon tests. The signed-rank test for paired samples
> and the rank-sum test for independent samples.
>

According to wikipedia, Mann-Whitney-U is the Wilcoxon rank-sum test
for independent samples, just a different name.

Josef


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