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Re: st: RE: Spotting changes in identifier


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Spotting changes in identifier
Date   Wed, 7 Jul 2010 12:29:57 +0000 (GMT)

--- On Wed, 7/7/10, Pavlos C. Symeou wrote:
> the new command returns is the last year-observation for all
> companies in my dataset.

The explanation is that the last observation is never equal to 
the non-existing subsequent observation. You can add the 
condition -& _n != _N- to ignore those final observations.

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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