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st: collinearity diagnostics for nbreg


From   Rachel Whaley <rwhaley@siu.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: collinearity diagnostics for nbreg
Date   Tue, 27 Jul 2010 16:18:10 -0500

Hello,
Is there a way to get collinearity diagnostics (tolerance, VIF) after
a nbreg?  In nbreg postestimation there is a command "predict" which
suggests that predictions, residuals, influence statistics, and other
diagnostic measures are available.  I cannot however figure out the
exact command - what would follow predict?  From the examples the
syntax for predict requires a new variable to follow the command.
There is no example for collinearity diagnostics.

Thanks so much for your help.

--
Rachel Whaley
Department of Sociology
Faner Hall - MC 4524
Southern Illinois University
Carbondale, IL 62901
618-453-7631
fax 618-453-8926

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