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Re: st: What grouping should I use for clogit?


From   Klaus Pforr <kpforr@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: What grouping should I use for clogit?
Date   Tue, 24 Jan 2012 12:11:39 +0100

Dear Hadji,

could tell a little bit more about your data, and the experimental design? A data example would be helpful.

best

Klaus

Am 23.01.2012 07:46, schrieb Hadji Cortez Jalotjot:
I am estimating a choice model using the clogit command.  Data is from a choice experiment.

Each respondent was shown 10 choice sets.  Each choice set has 3 choices.

So basically, each respondent corresponds to 30 rows of observations.

My question is, should the respondents (respno) be my group for the clogit?  or should I treat each choice as the "group"?

Any suggestions or explanations are appreciated.

Hadji


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Klaus Pforr
MZES AB - A
Universität Mannheim
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