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Re: st: Re: Keeping the Earliest Observations on Each Leg
From
"Raphael Fraser" <[email protected]>
To
[email protected]
Subject
Re: st: Re: Keeping the Earliest Observations on Each Leg
Date
Mon, 12 Jun 2006 20:08:43 -0500
Thanks much! Micheal
On 6/12/06, Michael Blasnik <[email protected]> wrote:
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
>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
<snip>>
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