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st: Fwd: xtreg


From   Kit Baum <baum@bc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: Fwd: xtreg
Date   Thu, 15 Sep 2005 20:25:32 -0400

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


Begin forwarded message:

From: Kit Baum <baum@bc.edu>
Date: September 15, 2005 10:01:39 AM EDT
To: statalist@hsphsun2.harvard.edu
Subject: xtreg


Catia said

I use the command xtreg but I have a problem when I
use the comand by country: xtreg,,,,,
make an error: insufficient observation, but if do the
sum of my var. I have observation.
Can help me please.

If your data have i = country and t = time, it makes no sense to apply an 'xt' command by country, since that specifies a single time series. Only if you have a more complex data structure--e.g. firms within countries, with i = firm --- would this make sense.

What is your tsset? If it is tsset country year, e.g., you cannot compute xtreg for each i.


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



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