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Re: st: Stata programming question


From   Sergiy Radyakin <serjradyakin@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Stata programming question
Date   Thu, 13 Jan 2011 18:28:16 -0500

See example of bestreg.

In Stata type: net from http://adeptanalytics.org/download/ado/
Then install bestreg from the list.
See the source of it, and adjust for the type of estimator.

There should be plenty discussions on the Statalist as well. See
http://www.stata.com/statalist/archive/2004-04/msg00106.html
and google for more.

Best, Sergiy.





On Thu, Jan 13, 2011 at 3:52 PM, Data Analytics Corp.
<walt@dataanalyticscorp.com> wrote:
> 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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