Hi, try the Small-Hsiao Test.
First you have to set a random value:
. set seed 12345
then,
. mlogtest, smhsiao base
You can try different random values until get the IIA assumption.
Greetings,
Claudio
----- Mensaje original -----
De: "Joao Ricardo F. Lima" <[email protected]>
Fecha: Martes, Septiembre 30, 2008 10:40 pm
Asunto: st: IIA test after svy:mlogit
> Dear Stephen and Statalisters,
>
> Can I do the Hausman's test for independence of irrelevant
> alternatives after svy:mlogit? My dependent variable has 4
> alternatives.
> I�m using Stata 10.1.
>
> I tried to use the -mlogtest-
>
> STB-58 sg155 . . . . . . . . . . . . . Tests for the multinomial
> logit model
> (help mlogtest, _perhs, _pecats if installed) . J. Freese
> & J. S. Long
> 11/00 pp.19--25; STB Reprints Vol 10, pp.247--255
> simplifies the obtaining of several tests associated with
> the multinomial logit model
>
> However, you can see below that I can�t use with survey data.
>
> . mlogtest, hausman base
>
> Problem determining number of categories.
>
> **** Hausman tests of IIA assumption
>
> Ho: Odds(Outcome-J vs Outcome-K) are independent of other
> alternatives.hausman cannot be used with clustered or p-weighted data
> r(198);
>
> end of do-file
>
> r(198);
>
> Thanks for the help!
>
> Best Regards,
>
> Joao Lima
>
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