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Re: st: Capturing the date and which something first occurs
From
[email protected] (Brendan Halpin)
To
[email protected]
Subject
Re: st: Capturing the date and which something first occurs
Date
Fri, 06 Apr 2012 18:37:27 +0100
On Fri, Apr 06 2012, Richard T. Campbell wrote:
> So, for ID 1, the first time at which state = 1 occurs is the fourth
> record, for
> ID 2 it is the third record etc. I want to assign a value within an id
> equal to
> that index. For example, for ID 1 I want a variable that equals 4 for all
> ten cases, for ID 2 a variable equal to 3 for all cases etc. Put
> differently,
> I want to assign to all cases within an id, the value of _n when first = 1.
> I can't seem to get my head around how to do this.
by id (time), sort: egen starttime=max(time*first)
or
gen st = time if first
by id (time), sort: egen starttime=max(st)
Brendan
--
Brendan Halpin, Department of Sociology, University of Limerick, Ireland
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