st: Re: group means

[Kit Baum <baum@bc.edu>]

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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