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st: Re: Keeping the Earliest Observations on Each Leg
From
"Michael Blasnik" <[email protected]>
To
<[email protected]>
Subject
st: Re: Keeping the Earliest Observations on Each Leg
Date
Mon, 12 Jun 2006 20:00:52 -0400
bysort id lleg (date): keep if _n==1
note: any ties on date will be rboken arbitrarily
Michael Blasnik
[email protected]
----- Original Message -----
From: "Raphael Fraser" <[email protected]>
To: <[email protected]>
Sent: Monday, June 12, 2006 7:11 PM
Subject: st: Keeping the Earliest Observations on Each Leg
<snip>>
I am interested in keeping the earliest observations on each leg
where left leg is denoted (lleg=1) and right leg (lleg=0). Can anyone
assist?
id date lleg
46 22aug1993 0
46 28sep1993 1
46 28sep1993 1
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