That's some sort of the hierarchical linear model...
xi: xtmixed y i.group i.time i.group*time || id: , cov(unstructured)
is all I can think of.
On Wed, Aug 20, 2008 at 2:44 PM, Raphael Fraser
<[email protected]> wrote:
> Can anyone convert this SAS code to Stata?
>
> PROC MIXED NOCLPRINT=10 ORDER=data;
> CLASS id group time;
> MODEL y = group time group*time / SOLUTION CHISQ;
> REPEATED time / TYPE = un SUBJECT = id R;
> run;
>
> Raphael
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--
Stas Kolenikov, also found at http://stas.kolenikov.name
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