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st: RE: graph interaction in survival analysis


From   "Weichle, Thomas" <Thomas.Weichle@va.gov>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: graph interaction in survival analysis
Date   Mon, 26 Oct 2009 09:46:03 -0500

When graphing the interaction using stcurve after fitting xi: stcox
i.x*i.y, isn't the interaction term also necessary in each of the at1()
options?

Tom Weichle
Math Statistician
Center for Management of Complex Chronic Care (CMC3)
Hines VA Hospital, Bldg 1, C202
708-202-8387 ext. 24261
Thomas.Weichle@va.gov 


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