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st: Re: multinomial logit on grouped data

From   "Scott Merryman" <>
To   <>
Subject   st: Re: multinomial logit on grouped data
Date   Fri, 11 Jul 2003 16:31:50 -0500

----- Original Message ----- 
From: "A. Mushfiq Mobarak" <Ahmed.Mobarak@Colorado.EDU>
To: <>
Sent: Friday, July 11, 2003 3:25 PM
Subject: st: multinomial logit on grouped data

> Dear Listers,
> Stata can perform logit/probit estimation on grouped data (see blogit,
> bprobit), where the dependent variable is fraction of positive responses
> in the group rather than an individual's 0-1 response.
> Can it perform multinomial logit estimation on grouped data?
> Specifically, the type of estimation I'm trying to do is the following:
> My dependent variable has 4 categories:
> y0: electricity usage by industrial groups
> y1: electricity usage by agriculture
> y2: electricity usage by consumers
> y3: electricity usage by others
> I can express these as fraction of electricity used by each of the 4
> groups.  I would like to explain this composition of electricity use as
> a function of a number of independent variables (e.g. the size of each
> group, political conditions in the country, etc.)
> Maybe multinomial logit is not even the right way to think about it, and
> would like to hear other suggestions if that's the case. It seems that
> LIMDEP allows you to do the multinomial logit on grouped data estimation
> (see I would rather do
> this on Stata.
> Thank you in advance for your help. Since I get the digest, copying your
> response to would be appreciated.
> Best,
> Mushfiq

There is a Stata FAQ: "How can I do logistic regression or multinomial
logistic regression with grouped data?"
( which may be of help.


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