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Re: st: On event pr 60 days


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: On event pr 60 days
Date   Tue, 5 Mar 2013 13:26:19 +0000

Identifying events within 60 days of the first event is just

bysort id (date) :  ??? if date - date[1] <= 60

but I don't know what ??? would be in your case as I don't know what
you mean by adding to the first event.

See also -panelthin- from SSC.

Nick

On Tue, Mar 5, 2013 at 1:12 PM, anne broe <annebroe@gmail.com> wrote:

> I need to be able to identify several events within 60 days of the first
> record to be recorded as one event.
>
>  My data look like this
> id   date             event
> 1   01.01.2005     xxx
> 1   02.01.2005     xxy
> 1   02.05.2005     xxx
>
> I would like to identify the first event and add any event within 60 days
> to the first event. Any event after 60 days should have its own record, and
> any event within 60 days after this event be recorded as the second event
> etc.
>
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