[R] Ryan's Q Post-Hoc for ANOVA

Jarrett Byrnes byrnes at msi.ucsb.edu
Fri Nov 21 19:02:16 CET 2008

I realize this is a little late, but I recently ended up rolling my  
own Ryan's Q in R.  If anyone is interested, or wishes to make  
improvements, you can find it here:


On Oct 25, 2005, at 10:15 AM, Jarrett Byrnes wrote:

> I'm using lm to run an ANOVA, and would like to use Ryan's Q as my
> post-hoc (as recommended by Day and Quinn, 1989, Ecological
> Monographs).  I can't seem to find any methods in the base stats
> package that implement this post-hoc.  Is there a good package of
> post-hoc methods out there, or has someone written a method for Ryan's
> Q previously?
> Thanks!
> -Jarrett
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