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Re: st: marginal effects for ordered logit


From   "maartenbuis" <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: marginal effects for ordered logit
Date   Thu, 11 Nov 2004 14:50:23 -0000

Oops, the explanation in http://www.stata.com/statalist/archive/2004-
11/msg00264.html contains a typo. The commands are correct though. 

if:
L(xb)= exp(xb)/(1-exp(xb))

then:
dL/d(xb)=exp(xb)/(1-exp(xb))^2

not:
dL/d(xb)=exp(xb)/(1-xb)^2




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