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Re: st: Problems with defining varable interactions in ANOVA


From   Richard Goldstein <[email protected]>
To   [email protected]
Subject   Re: st: Problems with defining varable interactions in ANOVA
Date   Fri, 07 Jan 2011 08:15:56 -0500

what Stata manuals are you talking about? the symbol should be "#", not
the asterisk you are using

Rich

On 1/7/11 7:52 AM, Rom Litwin wrote:
> Greetings,
> 
> I am super-new to STATA. I am running STATA 11 in Win7 and - contrary to
> what most STATA manuals claim, it seems - I am unable to set up interaction
> variables in ANOVA. Just to use an example from the UCLA manual, when I run:
> 
> . use http://www.ats.ucla.edu/stat/stata/faq/crf24
> . anova y a b a*b
> 
> I am getting the following error:
> variable a*b not found
> r(111);
> 
> Thank you for your advice.
> 
> - Rom Litwin
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