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Re: st: gologit2


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: gologit2
Date   Tue, 30 Jan 2007 08:28:38 +0000 (GMT)

--- Juan Jose Miranda <unicojm@yahoo.es> wrote:
> So, I started to use generalized "gologit2", but results show me
> that 4% of observations have negative probability. 
> So I would like to know how to reduce observation with negative
> probability or another method to estimate.

Richard Williams (author of gologit2) has written a FAQ on gologit2,
and negative predicted probabilities are discussed there:
http://www.nd.edu/~rwilliam/gologit2/tsfaq.html
Hope this helps,
Maarten




-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

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


		
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