[R] How to calculate the power of Wilcoxon signed rank test

[David Winsemius]

On Sep 13, 2011, at 3:34 PM, tn85 wrote:

> Hello All,
>
> I perform a Wilcoxon signed rank test for two sets of data to test  
> whether
> they two have significantly different means. I would also like to  
> know the
> power of this test.
>

Given that none of the various "Wilcoxon tests" are for differences in  
means, you are proposing it for the wrong purpose.


> The third part of this tutorial is similar to what I want except the t
> distribution.  http://www.cyclismo.org/tutorial/R/power.html#multiT
>
> Could anyone help? Or let me know if my question is a nonsense one.  
> Thanks
> in advance.
>

-- 

David Winsemius, MD
West Hartford, CT