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st: Stata programming question


From   "Data Analytics Corp." <walt@dataanalyticscorp.com>
To   Statalist <statalist@hsphsun2.harvard.edu>
Subject   st: Stata programming question
Date   Thu, 13 Jan 2011 15:52:13 -0500

Hi,

I have a programming question. I want to run an alternative-specific conditional logit model (asclogit) with a casevars option that has a varying number of variables in the varlist. In particular, the varlist has up to four variables: age, gender, region, status. All are strings so dummies have to be created for each. I want the individual calls to asclogit to estimate a model with all four variables, with all combinations of three of the four, with two of the four, and with just one of each of the four. There are 2^4 = 16 combinations and hence 16 estimations. How can I write a program to loop through all 16 estimations? I want to avoid having to write out each of the 16.

Thanks,

Walt

________________________

Walter R. Paczkowski, Ph.D.
Data Analytics Corp.
44 Hamilton Lane
Plainsboro, NJ 08536
________________________
(V) 609-936-8999
(F) 609-936-3733
walt@dataanalyticscorp.com
www.dataanalyticscorp.com
_____________________________________________________

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