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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