Re: st: mlogtest hausman "invalid syntax" (Stata 8)

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 03:25 AM 5/9/2007, nng@stanford.edu wrote:
> Hi Statalisters:
>
>
> I ran a multinomial logistic regression with a 3-category dependent
> variable (the IVs include one continuous variable and 8 dummies), and
> wanted to test the IIA assumption. The problem is that -mlogtest- will
> not perform the Hausman test.  I used the -mlogtest- command after
> running -mlogit-, in different versions: I tried -mlogtest, iia-,
> -mlogtest, hausman-, and -mlogtest, smhsiao-.  Stata will do the
> Small-Hsiao test, but it won't run the -mlogtest, iia- and -mlogtest,
> hausman-  because of "invalid syntax".  I Googled generally and
> searched the Statalist archives, but have not come across anything
> directly relevant.  Am I missing something?  What might be causing this?
I can't replicate the problem.  Do you have the latest version of the 
spost9 routines?  They were last updated on March 4.  Also make sure 
your version of Stata is up to date.  mlogtest itself was last 
updated in December:

. which mlogtest
c:\ado\plus\m\mlogtest.ado
*! version 1.7.4 8Dec2006 - suest bug fix

If everything is up to date, perhaps you could try to see if you can 
come up with a replicable example using a publicly available data 
set, e.g. auto.  You may need to contact Scott Long if you think 
you've discovered a bug in his program.

Also, these commands work for me, so see if they work for you:

use "http://www.indiana.edu/~jslsoc/stata/spex_data/ordwarm2.dta";
mlogit  warm yr89 male white age ed prst
mlogtest, iia



-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
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