[R] Repeated measures aov with post hoc tests?

[Fredrik Karlsson]

Dear list,

I posted the message below a cople of days ago, and have not been able
to find any solution to this. I do really want some help.

/Fredrik

On 1/10/06, Fredrik Karlsson <dargosch at gmail.com> wrote:
> Dear list,
>
> I would like to perform an analysis on the following model:
>
> aov(ampratio ~ Type * Place * agemF + Error(speakerid/Place) ,data=aspvotwork)
>
> using the approach from http://www.psych.upenn.edu/~baron/rpsych/rpsych.html .
>
> Now, I got the test results, wich indicate a significant interaction
> and main effects of the agemF variable. How do I find at what level of
> agemF the effect may be found.
>
> How do I do this?
>
> I found a reference to TukeyHSD in the archives, but I cannot use it:
>
> > TukeyHSD(aov(ampratio ~ Type * Place * agemF + Error(speakerid/Place),data=aspvotwork))
> Error in TukeyHSD(aov(ampratio ~ Type * Place * agemF +
> Error(speakerid/Place),  :
>         no applicable method for "TukeyHSD"
>
> Please help me.
>
> /Fredrik
>


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