st: RE: predicted probabilities of interaction term

["William Buchanan" <william@williambuchanan.net>]

Hi Giuseppina,

One suggestion that I have would be to use the -subpop()- option of the
-svy:- prefix.  This is something that surfaces on the Statalist regularly,
although it may not be an issue in your specific case.  Either way, the help
file for -svy- includes the following line:

"Warning:  Using if or in restrictions will often not produce correct
variance estimates for
      subpopulations.  To compute estimates for subpopulations, use the
subpop() option."

With regards to your other question, I would look at -help mlogit
postestimation- to get an idea of what is already available in Stata to
calculate the predicted probabilities of the outcome after a multinomial
logit model.

HTH,
Billy


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Valle, Giuseppina
Sent: Tuesday, July 17, 2012 1:38 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: predicted probabilities of interaction term

Hello,
I was wondering how to run predicted probabilities for a multinomial
regression with an interaction term. 

Here is the syntax I am using:

svy: mlogit timing pledge sexed i.race i.relig i.race#i.relig ///
	wave4age stepfam singlemo singleda other HSdeg somecoll ///
	colldeg misseduc lowmidinc highmidinc highinc missinc ///
	midwest south northeast if gender==0,  ///
	rrr baseoutcome(2) nolog	

I would appreciate any suggestions. Thanks!

Giuseppina Valle

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