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Re: st: Multinominal Logit


From   "E. Paul Wileyto" <epw@mail.med.upenn.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Multinominal Logit
Date   Wed, 22 Aug 2007 08:07:59 -0400

The command mlogit is correct. Syntax is like all stata commands:

commandname yvar xvarlist, options

Yvar would be your multinomial outcome, and your xvarlist will be used across the model.

Pay attention to your reference group. If you do not like the one automatically chosen, you may set the reference group in the options.

It is also useful in mlogit to know how to use stata constraints. This will help you test whether effects can be modelled with a common beta across different parts of the model.

P

Killian Murphy wrote:

I have survey data on payment instruments and i am attempting to determine what are the factors that affect an individuals decision to choose one payment method over another.

Am i correct in using a multinominal logit model?
Is the command mlogit correct
is it possible that you could provide me with a do.file as an example

Thanks so much for your help,
Killian

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--
E. Paul Wileyto, Ph.D.
Assistant Professor of Biostatistics
Tobacco Use Research Center
School of Medicine, U. of Pennsylvania
3535 Market Street, Suite 4100
Philadelphia, PA 19104-3309

215-746-7147
Fax: 215-746-7140
epw@mail.med.upenn.edu
http://mail.med.upenn.edu/~epw/
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