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st: STATA Wish List

From   Tim Wade <>
Subject   st: STATA Wish List
Date   Wed, 20 Oct 2004 08:21:01 -0700 (PDT)

I have one (only one) wish for Stata:

the ability to specify interaction terms in a model
without actually generating a new variable. I realize
"xi" accomplishes this with categorical variables, but
it is not sufficient for many situations especially
with continuous interaction terms. Also, the ability
to exclude main effects or specify  main effects 
would be very useful, again without generating
additional variables. "desmat" does have this
flexibility, but it would be preferable if this were
part of the main Stata package.



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