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Re: st: Biprobit


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Biprobit
Date   Mon, 20 Jul 2009 15:56:28 +0000 (GMT)

--- On Mon, 20/7/09, nigussie Tefera wrote:
> (a) I have two dependent variables (both dummy variables): 
> one has two categories ( 0 and 1) and the second dependent
> variable has three categories (0, 1, and 2).  Is it possible 
> to estimate the joint relationship betwees these two
> dependent variables using the biprobit command?

No, both depedent variables need to be dichotomous.
 
> (b) Note: I run the regression and STATA provided some
> results. 

For the second dependent variable it probably combines
categories 1 and 2. This would be consistent with the
behavior of -logit- and -probit-, which compare the
categories 0 versus non-0. This is probably not what
you want.

Hope this helps,
Maarten

-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      

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