Re: st: repeated measures anova

[Simon Moore <simoncmoore@gmail.com>]

Thanks Dave - I let the ANOVA run overnight (rather than the xtmixed) 
and in the end got the results I was expecting.  I've messed around with 
xtmixed but can't get similar results, despite the obvious speed advantages.
Cheers
Simon

David Airey wrote:

> .
>
> On second thought, I should not have guessed at the syntax, and I hope 
> I didn't cause further confusion! You should check out Linear Mixed 
> Models: A Practical Guide Using Statistical Software, Chapter 5, from 
> the Stata bookstore which provides correct syntax in SAS, SPSS, R, and 
> Stata for the analysis of a two factor within subjects repeated 
> measures example. I would not use ANOVA for the data set you describe.
>
> -Dave
>
>
> > Something like:
> >
> > xi: xtmixed score i.factor1*i.factor2 || subject: || subject: 
> > R.factor1 || subject: R.factor2
> >
> > may work, but ANOVA is using coding that makes comparisons to the 
> > grand mean whereas xi is using 1-0 coding.
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