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Re: st: Testing the IIA assumption after running the mlogit

From   Richard Williams <>
Subject   Re: st: Testing the IIA assumption after running the mlogit
Date   Wed, 11 Jul 2012 22:22:41 -0500

At 08:16 PM 7/11/2012, Patricia Yu wrote:
Dear Statalist,

After running the multinomial logistic regression model, I would like to test the independence of irrelevant alternatives assumption (IIA). However, I heard that the Stata command "mlogtest, iia" no longer works with factor variables. So, what Stata command should I use to test the IIA assumption?


-mlogtest- is a command written by Long and Freese that is part of their -spost9- package. I imagine the easiest thing would be to just not use factor variables; compute any dummies yourself if necessary.

Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
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