Problem solved:
Lesson learned (I think):
TukeyHSD doesn't like it when you use numbers as names for the factors. ie
factor "time" cannot be "24" and "48" but "twenty-four" and "forty-eight"
work fine.
On Tue, Oct 20, 2009 at 5:36 PM, Clayton Coffman
<clayton.coff...@gmail.com>wrote:
> I've tried that as well, and I get an error like:
> > TukeyHSD(phenolic.aov)
> >Error in rep.int(n, length(means)) : unimplemented type 'NULL' in 'rep'
> >In addition: Warning messages:
> >1: In replications(paste("~", xx), data = mf) : non-factors ignored: time
> >2: In replications(paste("~", xx), data = mf) :
> > non-factors ignored: sink.status, time
> >3: In replications(paste("~", xx), data = mf) :
> > non-factors ignored: time, cat
> >4: In replications(paste("~", xx), data = mf) :
> >non-factors ignored: sink.status, time, cat
>
> however, I think its a problem with my data, something about how Rexcel
> imported it, becuase when I do it on the example data in the HSAUR package,
> it works....
>
> I'll try importing the data manually.
>
>
>
>
> On Tue, Oct 20, 2009 at 3:33 PM, Ista Zahn
> <istaz...@gmail.com<https://mail.google.com/mail?view=cm&tf=0&to=istaz...@gmail.com>
> > wrote:
>
>> Hi Clayton,
>> I don't think you need summary().
>>
>> TukeyHSD(data1.aov)
>>
>> should work.
>>
>> -Ista
>>
>> On Tue, Oct 20, 2009 at 4:17 PM, Clayton Coffman
>> <clayton.coff...@gmail.com<https://mail.google.com/mail?view=cm&tf=0&to=clayton.coff...@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...
>> >
>> >>TukeyHSD(summary(data1.aov))
>> >
>> > 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]]
>> >
>> > ______________________________________________
>> > R-help@r-project.org<https://mail.google.com/mail?view=cm&tf=0&to=r-h...@r-project.org>mailing
>> > list
>> > https://stat.ethz.ch/mailman/listinfo/r-help
>> > PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> > and provide commented, minimal, self-contained, reproducible code.
>> >
>>
>>
>>
>> --
>> Ista Zahn
>> Graduate student
>> University of Rochester
>> Department of Clinical and Social Psychology
>> http://yourpsyche.org
>>
>
>
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