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st: RE: tests within panel data


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: tests within panel data
Date   Mon, 11 Apr 2005 22:42:07 +0100

-rvfplot- is restricted to use after 
-regress- and -anova-. This is clearly 
stated in the help. 

An alternative is -rvfplot2- from SSC. 
Whether it helps much here I can't foretell, 
but it should be legal. 

Nick 
n.j.cox@durham.ac.uk 

Jean-Baptiste NTAGOMA
 
> I fell to use traditional hetero and autocorrelation tests in 
> an unbalanced 
> panel data (not enough observations) and I am not very clear 
> on how to 
> proceed in a different satisfactory manner.
> My second question is:   I tried this procedure "
> . xtreg depvar indepvar, re
> . rvfplot, yline(0) "
> and received the following message: last estimates not found, 
> r(301). But 
> the procedure works if not  panel data. How to solve it or 
> what can I do 
> with panel data?
> 

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