RE: st: testing IIA assumption in standard MNL

["Jun Xu" <mystata@hotmail.com>]

See http://www.indiana.edu/~jslsoc/spost_faqs/spostfaq016.htm

Jun Xu
Ph.D. Candidate
Department of Sociology
Indiana University at Bloomington
http://mypage.iu.edu/~junxu




> From: SC Wainwright <s9907040@sms.ed.ac.uk>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
> Subject: st: testing IIA assumption in standard MNL
> Date: Fri, 19 Aug 2005 16:46:30 +0100
>
> hello statalist,
>
> i have attempted to use the mlogtest with iia option and hausman option, as 
> well
> as the manual hausman code (running 2 regressions) to get the above test
> working. mlogtest says "you used the old syntax" of hausman and refers me 
> to
> hausman,
>
> hausman all partial, alleqs
>
> which provides the following output(also when i use drop-down post-est 
> menu);
>
> no coefficients in common; specify equations(matchlist)
> for problems with different equation names.
> r(498);
>
> i've subsequently tried matching each category and had no luck
>
> 'Child' found where integer expected but when using integers, these are not
> recognised and giving output "equation Child not found r(111);"
>
> hausman all partial, equations(1:2)
> equation at not found
> r(111);
>
> i have a numeric floating 3-category dep var with "Child in school" "Child 
> at
> home" and "Child works"
>
> shall i rename dependent variable ?
>
> thanks
> claire
>
>
>
>
>
>
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