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st: Re: Anovalator output

From   Martyn Sherriff <>
Subject   st: Re: Anovalator output
Date   Thu, 8 Dec 2011 10:54:23 +0000


I am running xtmixed on a repeated measures design that is unbalanced,
there are 4 levels of treatment and 7 levels of time. I am then using
anovalator (from to
investigate the main and simple effects.
xtmixed f trt##time || id: , reml

. anovalator time, main
anovalator main-effect for time
chi2(1) = 134.57337   p-value = 4.093e-31

. anovalator trt, main
too few variables specified

Can anybody suggest why I get this error message for 'trt'.

Thank you,
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