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RE: st: identify group of observations


From   Nick Winter <nw53@cornell.edu>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: identify group of observations
Date   Thu, 29 Apr 2004 08:19:42 -0400

At 11:32 AM 4/29/2004 +0100, you wrote:
Or just

gen grp = sum(flag == "01")
Or, to avoid assigning grp values to missing values of flag:

gen grp = sum(flag == "01") if flag<.

--Nick Winter


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