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st: AW: unbalanced panel

From   "Martin Weiss" <>
To   <>
Subject   st: AW: unbalanced panel
Date   Thu, 22 Jul 2010 13:05:23 +0200


No, it is not hell! Collinearity between the independent vars and the panel
identifier prevents Stata from estimating your model. This would be the
reaction of every other software as well, I guess. 

Find out which variable is causing the problem! To this end, type 

corr `r(panelvar)' x*

where "x*" should be replaced with your independent variables that you had
fed to -xtreg- when the problem occurred. Any correlation off the main
diagonal should be examined whether it approaches 1 or -1.


-----Ursprüngliche Nachricht-----
[] Im Auftrag von
Gesendet: Donnerstag, 22. Juli 2010 12:52
An: statalist!!!
Betreff: st: unbalanced panel

Dear users!
Having destringed and sorted my data, I tried the xtreg command for my
unbalanced panel!
But... "independent variables are collinear with the panel variable"
What should I do???
...Stata seems a hell for me!!!

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