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st: Re: picking at random
--On Wednesday, June 12, 2002 2:33 -0400 Yanjun wrote:
No doubt someone will improve on this, but it works, even if there are
We have say, by one id, four observations under a variable. We want
STATA to randomly pick one observation each time it is asked. We want
to use the randomly picked observation for each id in regression.
Any information will be greatly appreciated! Thanks.
Assume your id variable is named 'group':
by group: egen rrm=min(rr)
by group: g select=(rr==rrm)
reg .... if (select)
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