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Re: st: Marginal effect after -clogit- and -xtlogit-


From   Steven Samuels <sjhsamuels@earthlink.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Marginal effect after -clogit- and -xtlogit-
Date   Fri, 6 Feb 2009 15:15:58 -0500

Predicted probabilities (P(outome) cannot be estimated from -clogit- (or -xtlogit- the same thing), because no intercept is estimated. (The models assume there is a different intercept for each matched set or panel.)

-Steve


On Feb 6, 2009, at 2:40 PM, Supnithadnaporn, Anupit wrote:

Dear all,

I analyze the data using both -clogit- and -xtlogit fe- commands. I would like to get the marginal effect of each independent variables in the model. However, -mfx- command does not work after both - clogit- and -xtlogit fe-, giving the error

predict() expression  unsuitable for marginal effect calculation
r(119);

Would anyone please suggest me how to get the marginal effect after running -clogit- and -xtlogit fe-?

Thank you,
Anupit


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