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Re: st: Event time creation
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: Event time creation
Date
Fri, 19 Apr 2013 11:06:19 +0100
See also the recent thread starting at
http://www.stata.com/statalist/archive/2013-04/msg00533.html
Nick
[email protected]
On 19 April 2013 09:15, Nick Cox <[email protected]> wrote:
> egen benchmark = total(time / (event == "Yes"))
> gen eventtime = time - benchmark
> expand 2
>
> There could be all sorts of complications you have not told us about.
>
> For example: These are really panel data.
>
> egen benchmark = total(time / (event == "Yes")) , by(id)
>
> For example: The -event- variable is really 0-1 and we are just seeing
> value labels.
>
> egen benchmark = total(time / (event == 1)) , by(id)
>
> See also
>
> http://stackoverflow.com/questions/15298526/determine-time-period-since-event-up-to-n-leads-lags
>
> http://www.stata-journal.com/article.html?article=dm0055
>
> Nick
> [email protected]
>
>
> On 19 April 2013 03:00, Auh, Jun Kyung <[email protected]> wrote:
>
>> I am wondering how I can create the event time variable. For example I want to create something like this:
>>
>> Time Event EventTime
>> 2000m1 No -2
>> 2000m2 No -1
>> 2000m3 Yes 0
>> 2000m4 No 1
>> 2000m5 No 2
>>
>> Furthermore, what I actually want to create is the following:
>>
>> Time ID Event EventTime
>> 2000m1 No -2
>> 2000m1 No -2
>> 2000m2 No -1
>> 2000m2 No -1
>> 2000m3 Yes 0
>> 2000m3 Yes 0
>> 2000m4 No 1
>> 2000m4 No 1
>> 2000m5 No 2
>> 2000m5 No 2
>>
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