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RE: st: nonconvergence of switching probit when data weighted


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: nonconvergence of switching probit when data weighted
Date   Thu, 12 Mar 2009 14:23:57 +0000 (GMT)

--- On Thu, 12/3/09, Paula Albuquerque <pcma@iseg.utl.pt> wrote:
> This time, even the estimation that had found a rho=1 (but had
> produced results) declares that " flat log likelihood
> encountered, cannot find uphill direction". It seems
> there must be something else...

You could try to use the estimates of the unweighted model as
starting values for your weighted model.

-- 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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