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RE: st: Re: Brant test


From   Richard Williams <Richard.A.Williams.5@ND.edu>
To   statalist@hsphsun2.harvard.edu, <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Re: Brant test
Date   Sat, 18 Oct 2008 11:06:57 -0500

At 08:24 AM 10/18/2008, Gao LIU wrote:
The results are similar, but not the same. What might cause the difference?

Gao

Brant and gologit2 take different approaches. They generally are pretty close on the global test but might differ on tests of individual variables. You can also try out -omodel- from SSC.

The way to do a global test in gologit2 is something like

gologit2 y x1 x2 x3, pl store(m1)
gologit2 y x1 x2 x3, npl store(m2)
lrtest m1 m2, stats

For more on gologit2, see

http://www.nd.edu/~rwilliam/gologit2/index.html


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