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st: Deleting a cohort


From   "sara khan" <sarakhanum84@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Deleting a cohort
Date   Thu, 29 Mar 2007 13:53:38 +0100

Dear Statalisters

I wish to delete all records for a subset of individuals who are first
observed as not employed and keep those who are first observed as
employed. Thus, in the example, below, I want to retain those with
ID=2, 3, and 4 but delete ID 1, 5, 6, and 7. I am not sure how to do
this and would be grateful for your help.

Sara



ID	WAVE	empstat
-------------	----	-----------
1	1	not emp
-------------	----	-----------
2	2	emp
2	3	not emp
-------------	----	-----------
3	2	emp
3	3	not emp
-------------	----	-----------
4	2	emp
4	3	not emp
-------------	----	-----------
5	10	not emp
5	11	not emp
-------------	----	-----------
6	7	not emp
6	8	not emp
-------------	----	-----------
7	2	not emp
7	3	not emp
7	4	not emp
7	5	not emp
7	6	not emp
7	7	not emp
7	8	not emp
7	9	not emp
7	10	not emp
7	11	not emp
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