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Re: st: item response


From   SamL <saml@demog.berkeley.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: item response
Date   Sun, 6 Jul 2003 22:21:26 -0700 (PDT)

In Stata 7 I believe the -contract- command is what you would use.

Hope this helps.

Sam

On Sun, 6 Jul 2003 dpan@duke.edu wrote:

> Hi,
> 
> I am trying to create a weight variable to use with the gllamm command,
> but I just can't get it to work. Here is the problem: I have the data in
> long format looking like this:
> 
> subj_id         item_number     item_response
> 1               1               0
> 1               2               1
> 1               3               0
> 2               1               1
> 2               2               1
> 2               3               0
> 
> I am trying to create a weight variable that represents the number of
> subjects with the same item_response pattern, meaning the same responses
> for all items within an individual.
> 
> I would appreciate any suggestions.
> 
> Thanks,
> 
> Deng
> 
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