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Re: st: Picking Groups with Complete Data on Variable X
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: Picking Groups with Complete Data on Variable X
Date
Sat, 10 Dec 2011 21:12:22 +0000
drop if missing(X)
bysort id_number : drop if _N < T + 1
Nick
On Sat, Dec 10, 2011 at 6:09 PM, micdepo mic <[email protected]> wrote:
> I would like to extract from a panel dataset only the individuals that
> have complete data on a variable X.
>
> Say I start with:
>
> egen group = group(id_number)
>
>
> Then, I would like to keep only the groups that have nonempty values
> on variable X for all years t=0 to t=T.
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