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Re: st: AW: counting members of groups in unbalanced panel data


From   Neil Shephard <nshephard@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: counting members of groups in unbalanced panel data
Date   Fri, 2 Oct 2009 16:01:47 +0100

On Fri, Oct 2, 2009 at 3:54 PM, Martin Weiss <martin.weiss1@gmx.de> wrote:
>
> <>
>
>
>
> -bysort- is always a good place to start for this sort of problem, but you
> also want to have a look at -collapse- and -contract-
>

Beat me to it!

Neil


-- 
"The combination of some data and an aching desire for an answer does
not ensure that a reasonable answer can be extracted from a given body
of data." ~ John Tukey (1986), "Sunset salvo". The American
Statistician 40(1).

Email - nshephard@gmail.com
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