Re: st: Identifying wave1 respondents in an unbalanced panel

["sara khan" <sarakhanum84@googlemail.com>]

Many thanks to Svend and Nick. The code was what I was looking for.

On 6/1/07, sara khan <sarakhanum84@googlemail.com> wrote:
> Dear Statalisters
>
> I am new to Stata and would appreciate your help with 2 questions.
>
> 1. I have an unbalanced panel and wish to create a variable that
> identifies the presence of wave 1 respondents in subsequent waves in
> order to test for attrition.
>
> 2. I wish to distribute the value of wave 1 dependent variables in the
> unbalanced panel over subsequent waves.
>
> Thanks in advanace.
>
> Sara
>
>
>
>        +-----------------+
>        pid            wave     wave1
>        -----------------
> 1.      10016872      2          0
> 2.      10016872      4          0
>        -----------------
> 3.      10017992      1          1
> 4.      10017992      2          1
> 5.      10017992      3          1
> 6.      10017992      4          1
> 7.      10017992      6          1
>        -----------------
>
>        00040404       2          0
>        -----------------
> 19.     10040439      1          1
> 20.     10040439      2          1
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