[R] TukeyHSD no longer working with aov output?

Ista Zahn istazahn at gmail.com
Tue Oct 20 22:33:24 CEST 2009

Hi Clayton,
I don't think you need summary().


should work.


On Tue, Oct 20, 2009 at 4:17 PM, Clayton Coffman
<clayton.coffman at gmail.com> wrote:
> I can prove I've done this before, but I recently installed Rexcel (and it
> was easiest to reinstall R and some other bits to make it work) and now its
> no longer working.
> Before I would do an ANOVA and a tukey post-hoc like this:
>>data1.aov=aov(result~factor1*factor2, data=data1)
> then...
> and it would give me a nice tukey table of all the pairwise comparisons, now
> though it gives me:
>>in UseMethod("TukeyHSD") : no applicable method for "TukeyHSD"
> Has something changed?  Does TukeyHSD no longer accept aov results?
> Is there a package I'm missing?  I am very frustrated.
> Thanks,
> Clayton
>        [[alternative HTML version deleted]]
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Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology

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