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Re: st: Selecting particular observations


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Selecting particular observations
Date   Wed, 4 Apr 2012 22:36:10 +0100

bysort panel_id (year) : keep if year[1] == 2005

Nick

P.S. It's Statalist.

On Wed, Apr 4, 2012 at 9:26 PM, Rituparna Basu <basur@pamfri.org> wrote:

> Dear STATAList,
>
> I have an unbalanced panel data and I would like to select people entering the panel in the year 2005 only. I know it sounds simple but I am not able to select them. Could you please advise?
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