See the details and references section of help("wilcox.test"). A small
section from the details might be relevant :
By default (if 'exact' is not specified), an exact p-value is
computed if the samples contain less than 50 finite values and
there are no ties. Otherwise, a normal approximation is used.
Also type in stats:::wilcox.test.default or getAnywhere
("wilcox.test.default") to see the actual codes.
Regards, Adai
On Wed, 2005-02-23 at 10:28 -0500, Latha Raja wrote:
> Hi,
>
> I am using R to perform wilcox.test and wondering if you know how the p-value
> in wilcox.test is calculated?
>
> Thank you for your help:-)
>
> Regards,
>
> Latha
>
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