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Re: st: simultaneous regression for proportions


From   Mike Wazowski <mike.wazowski@ymail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: simultaneous regression for proportions
Date   Tue, 7 Apr 2009 07:11:04 -0700 (PDT)

carlo, they don't, one variable is an "index of participation" that runs from 0 to 1, the other is the "intensity of trust" that also runs from 0 to 1 so i have only one row of data per subject.  i want to run

participation <- trust ....

but at the same time there is obviously a question of 

trust <- participation ....

thanks everybody for the help, maarten i will check out your programs.

mike



--- On Tue, 4/7/09, carlto12@msu.edu <carlto12@msu.edu> wrote:

> From: carlto12@msu.edu <carlto12@msu.edu>
> Subject: Re: st: simultaneous regression for proportions
> To: statalist@hsphsun2.harvard.edu, "Mike Wazowski" <mike.wazowski@ymail.com>
> Date: Tuesday, April 7, 2009, 12:06 PM
> Mike,
> 
> A quick question: Is there any relationship between the
> variables? For example, do the proportions add to for each
> cross-section unit? If they do then you can replicate the
> fractional logit method proposed by Papke and Wooldridge
> (1996) by simply writing your own ML program with the
> multinomial quasi likelihood. If they do not then you may be
> able to exploit the -nlsur- command in Stata 10.  
> 
> Mike
> 
> Quoting "Mike Wazowski"
> <mike.wazowski@ymail.com>:
> 
> > dear statalisters,
> >
> > is there a way in stata to estimate a simultaneous
> model with two 
> > dependent variables that represent proportions?  as
> suggested on 
> > http://www.stata.com/support/faqs/stat/logit.html, i
> can do it for a 
> > single dv with
> >
> > glm ...., link(logit) family(binomial) robust
> >
> > a search of statalist archives for "simultaneous
> and proportion" did 
> > not return any meaningful queries.
> >
> > i have cross sectional data only (one time period).
> >
> > thank you,
> >
> > mike
> >
> >
> >
> >
> >
> >
> > *
> > *   For searches and help try:
> > *   http://www.stata.com/help.cgi?search
> > *   http://www.stata.com/support/statalist/faq
> > *   http://www.ats.ucla.edu/stat/stata/
> >
> >


      


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