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Re: st: piece-wise logistic regression
From
Maarten buis <[email protected]>
To
[email protected]
Subject
Re: st: piece-wise logistic regression
Date
Thu, 29 Apr 2010 15:13:50 +0000 (GMT)
--- On Thu, 29/4/10, Steve Samuels wrote:
> The location of the threshold is an important parameter in the
> literature of this model. I recall using non-linear regression
> in NCSS to find a CI for the location.
Yes that is definately possible within a linear regression
context, the -nl- routine is however very senstitive to
good starting values:
http://www.stata.com/statalist/archive/2008-01/msg01006.html
Problem is, that the original question was about the
applicability of splines in logistic regression, and
this strategy won't work there:
http://www.stata.com/statalist/archive/2010-01/msg01038.html
-- Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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