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Re: st: Mixed logit - rand(varlist) option


From   Arne Risa Hole <arnehole@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Mixed logit - rand(varlist) option
Date   Tue, 5 Feb 2013 10:50:29 +0000

This is a question which does not have a straightforward answer. See
http://elsa.berkeley.edu/books/choice2.html or
www.cambridge.org/0521605776 for good introductions to mixed logit
models.

Arne

On 5 February 2013 01:52, SAM MCCAW <sam2stata@gmail.com> wrote:
> Hello,
>
> In the mix logit commands one must specify variables with random
> coefficients: i.e.
>
>  rand(varlist) is required and specifies the independent variables
> whose coefficients are random. The random
>         coefficients can be specified to be normally or lognormally
> distributed (see the ln() option).  The variables
>         immediately following the dependent variable in the syntax are
> specified to have fixed coefficients (see the
>         examples below).
>
> I am little confused about how to identify " independent variables
> whose coefficients are random"
>
> Thanks for your help.
>
> SAM
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