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RE: st: Box Tidwell procedure & Wald Chi2


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: Box Tidwell procedure & Wald Chi2
Date   Mon, 12 Jul 2010 01:38:56 -0700 (PDT)

--- On Mon, 12/7/10, Cornelius Nattey wrote:
> I want a help on the Box-Tidwell procedure in
> regression analysis. How different is the chi2
 test from Wald chi2 test

There exists no such thing as "The chi2 test", it is
a generic name for all test that use the assumption 
that the test statistic follows the chi square
distribution under the null hypothesis. So which
two tests are you comparing? A clear and concise way
of telling us that, is to tell us what you typed in 
Stata, and what it told you in return.

Hope this helps,
Maarten

Ps. I did not mean that you needed to start the
first line with <>, I meant that the first line
should _only_ contain <>. Your real post should
start on the next line. The statalist server 
sometimes removes the first line, so if deletes
your first line when you started it the way you
did, it would still remove substantive information
from your post, but if it removes it when you
started it the way I told you, it would only
remove two meaningless characters.

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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