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st: RE: How to generate "total" observation?


From   Jeetendra Aryal <jeetendra.aryal@umb.no>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: How to generate "total" observation?
Date   Sun, 2 Aug 2009 08:51:40 +0200

Have you tried the following command?
. collapse var1, by(id)

rgds,
Jeetendra



________________________________________
From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] On Behalf Of Christian Bustamante [cdeb77@gmail.com]
Sent: Sunday, August 02, 2009 7:48 AM
To: Statalist
Subject: st: How to generate "total" observation?

Hi all,
I have a (possible) dummy question. I have a panel data set like the following:

id  year var1
01 2000 10
01 2001 20
02 2000 15
02 2001 25

I want to create a new observations, with id=03, that sum the var1
over the other ids. Obviously, I'm no going to use this observations
to make some estimation, but total statistics. How can I generate this
aditional observations.

Thanks




--
CdeB
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