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Re: st: example about choice experiment datasheet


From   elisabetta capobianco <elisabetta.capobianco@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: example about choice experiment datasheet
Date   Mon, 19 Nov 2012 16:51:56 +0100

Thank you for your answer!
I want to do a mixed logit, but I have found a data set on help file
with just one choice set. I have 16 choice sets and I don't know how
to fil the excel data set.



2012/11/18 JVerkuilen (Gmail) <jvverkuilen@gmail.com>:
> On Sun, Nov 18, 2012 at 4:11 AM, elisabetta capobianco
> <elisabetta.capobianco@gmail.com> wrote:
>> Hi, I'm new of statalist and stata!
>> I'm working on choice experiment about food preferences in schools.
>> I have 4 alternatives unlabelled, 4 attributes and 4 levels, 130 individuals.
>> I have the data base in excel, but before insheet the file in stata
>> i'm not sure that i have put the data in the right mode in the excel
>> file.
>> Have you got an example on a excel datasheet about choice modelling?
>> Just an example to understand how to organize my datasheet.
>
> It depends on what analysis you want to use. -clogit- and procedures
> like it that are using alternative-specific predictors use the same
> basic format, which is specified in the help file. You can see the
> example dataset there. Essentially it is a "long" format like
> person-period in a growth model with time-varying covariates.
> *
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> *   http://www.stata.com/support/faqs/resources/statalist-faq/
> *   http://www.ats.ucla.edu/stat/stata/



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