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Re: st: FW: Generating a counter variable


From   Mitch Abdon <[email protected]>
To   [email protected]
Subject   Re: st: FW: Generating a counter variable
Date   Mon, 22 Nov 2010 19:01:25 +0800

Hi, try bysort studyid: gen counter=_n

On Mon, Nov 22, 2010 at 6:57 PM, Oduwo, Geofrey <[email protected]> wrote:
> Hallo,
>
> I have a dataset and want to generate a variable that counts the study IDs each time they appear and starts the counting again each time a new study ID appears. How do I do this in stata.
>
> Thanks
>
> ==========================================
> Geofrey Oyoo Oduwo
> Data Analyst
> TB Research Branch
> KEMRI/CDC Research & Public Health Collaboration
> Mobile No: 0725 817 836 or 0750 371 472
> Email [email protected] or [email protected]
>
>
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>



-- 
Best,
Mitch


Arnelyn Abdon
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