Re: [R] Re peated Measure ANOVA-Old question

From: Mark Difford <mark_difford_at_yahoo.co.uk>
Date: Tue, 29 Jul 2008 23:15:44 -0700 (PDT)

Hi Chunhao,

>> I google the website and I found that there are three ways to perform >> repeated measure ANOVA: aov, lme and lmer.

It's also a good idea to search through the archives.

>> I use the example that is provided in the above link and I try
>> > tt<-aov(p.pa~group*time+Error(subject/time),data=P.PA)
>> > TukeyHSD(tt)
>> Error in UseMethod("TukeyHSD") : no applicable method for "TukeyHSD"

Because of ... + Error().

See the following thread, where this is answered:

http://www.nabble.com/Tukey-HSD-(or-other-post-hoc-tests)-following-repeated-measures-ANOVA-td17508294.html#a17559307

HTH, Mark.

ctu wrote:
>
> Hi R users,
> I google the website and I found that there are three ways to perform
> repeated measure ANOVA: aov, lme and lmer.
> http://www.mail-archive.com/r-help@stat.math.ethz.ch/msg58502.html
> But the questions are which one is good to use and how to do post-hoc
> test?
>
> I use the example that is provided in the above link and I try

>> tt<-aov(p.pa~group*time+Error(subject/time),data=P.PA)
>> TukeyHSD(tt)

> Error in UseMethod("TukeyHSD") : no applicable method for "TukeyHSD"
>
> Any suggestions?
>
> Appreciate in advance~
> Chunhao
>
> ______________________________________________
> R-help_at_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.
>
>
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Received on Wed 30 Jul 2008 - 06:20:38 GMT

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