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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 13:53:10 +0000

OK.  -panelthin- from SSC might be your friend.

. ssc desc panelthin
. ssc inst panelthin
. h panelthin

Nick

On Tue, Mar 5, 2013 at 1:38 PM, anne broe <annebroe@gmail.com> wrote:
> I am looking to limit numerous records for the same event to one
> record per 60 days. If a new event is recorded after 61 days or more
> it need to be a new event (and any following events within 60 days of
> this event to be recorded as the second event) etc.
>
> I dont know how else to describe it
>
>
> On 5 March 2013 13:26, Nick Cox <njcoxstata@gmail.com> wrote:
>> 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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