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Re: st: dbetafit does not work


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: dbetafit does not work
Date   Wed, 9 Sep 2009 07:00:27 +0000 (GMT)

--- On Wed, 9/9/09, pmunoz@mail.utexas.edu wrote:
> I am trying to estimate a model where
> the dependent variable is
> proportion. I downloaded the BETAFIT module and I have been
> able to run the estimation procedure. However, I can't use
> the "dbetafit" postestimation command... I get  message
> that says "+_b invalid name r(198)". 

Looks like -dbetafit- is choking on too large a variable list 
somewhere. Can you sent me privately an example -- a do-file 
and you your data, a random sample of your data, or fake data
-- where this error occurs? Than I'll try to fix -dbetafit-.
Though I and all other authors of -betafit- will be at the 
UK Stata Users Meeting the next two days, so it may take a 
couple of days before I get back to you.

In the mean time you can use -mfx- after -betafit- to get 
marginal effects.

*------------ begin example --------------------
use http://fmwww.bc.edu/repec/bocode/c/citybudget.dta
betafit safety, mu(minorityleft noleft houseval popdens)
dbetafit
mfx
*---------------- end example ------------------

-- Maarten

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

http://www.maartenbuis.nl
--------------------------




      

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