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Re: st: Contemporaneous correlation in unbalanced panel


From   Clive Nicholas <clivelists@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Contemporaneous correlation in unbalanced panel
Date   Sun, 5 Jun 2011 00:12:38 +0100

Mahua Guha wrote:

>> I am trying to check for contemporaneous correlation after running xtreg, fe in my highly unbalanced panel data set in STATA 11.
>> But, I am getting an error message: "too few common observations across panel. No observations. r(2000)"
>> Can you suggest any solution?

In addition to Steve's comments, what does -xtsum- tell you?

-- 
Clive Nicholas

[Please DO NOT mail me personally here, but at
<clivenicholas@hotmail.com>. Please respond to contributions I make in
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"My colleagues in the social sciences talk a great deal about
methodology. I prefer to call it style." -- Freeman J. Dyson
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