In Stata 7 I believe the -contract- command is what you would use.
Hope this helps.
Sam
On Sun, 6 Jul 2003 [email protected] 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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>
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