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st: Re: group means


From   Kit Baum <baum@bc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: group means
Date   Wed, 23 Mar 2005 07:46:25 -0500

Something like

egen rgdpC = mean(rgdppc), by(year)

will do it... but note that since these group means have no variation across countries for each year, they are the equivalent of a fixed time effect.

Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html

On Mar 23, 2005, at 2:33 AM, Rick wrote:



Someone could tell me if there exists a simple way to generate variables of
cross-section averages (mean groups) of a panel data?

Thanks
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