[R] Westfall-Young procedure

David Winsemius dwinsemius at comcast.net
Sat Nov 1 18:46:07 CET 2008


The citation below indicates the authors used the permax package (yet  
another Gentleman authored effort) to implement the free step-down  
method of W&Y:

Generalized Rank Tests for Replicated Microarray Data:
Mei-Ling Ting Lee, Robert J. Gray,  Harry Björkbacka, Mason W. Freeman

http://www.bepress.com/sagmb/vol4/iss1/art3/

Looking in the current permax documentation pdf, I could not find a  
specific citation of W&Y, but looking in older versions of that  
package, I did ... see:
http://cran.r-project.org/src/contrib/Archive/permax/permax_1.2.tar.gz

HTH;
-- 
David Winsemius, MD
Heritage Labs

On Nov 1, 2008, at 10:30 AM, Leif Peterson wrote:

> Is there a Westfall-Yound algorithm available with which I can test  
> correlation, 2- and k-sample tests of association?
>
> Thanks, LP
>
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