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st: FITINT: does it test all two-way interactions simultaneously?


From   John LeBlanc <leblancj@Dal.Ca>
To   STATA Listserv <statalist@hsphsun2.harvard.edu>
Subject   st: FITINT: does it test all two-way interactions simultaneously?
Date   Tue, 19 May 2009 12:34:19 -0300

Hi,

I have an ologit model with 8 predictor variables and fortunately a large dataset. I'm using fitint to see if there are any interesting two-way interactions among the 28 possibilities. Does fitint put all 28 in simultaneously or does it (I hope) test them one by one?

by the way, what is the purpose of the factors option? At this point, I'm simply copying all dependent variables into both factors() & twoway(). I can't figure this out from the .hlp file.

Thanks.
--

Regards, John LeBlanc

_________________________________________________________



John C. LeBlanc, MD, MSc, FRCPC
Associate Professor

Pediatrics, Psychiatry, Community Health and Epidemiology

Dalhousie University



IWK Health Centre              Work phone: (902) 470-8930

5850 University Avenue         Work fax:   (902) 470-6913

Halifax, Nova Scotia           Email: John.LeBlanc@Dal.Ca

B3K 6R8 CANADA                 Pager: (902) 470-8888

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