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Article #1236Formal Test for Trend in Logistic Reg
From: Deanna K. Wild
Date: Thu, 01 Jul 1993 20:25
Date: Thu, 01 Jul 1993 20:25
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1640 bytes
Anyone familiar with a FORMAL 'test for (linear in the log odds) trend' in logistic regression? We tend to use an informal approach here - i.e.; checking to see if quadratic terms or the like are needed beyond the linear term. Or, we categorize the continuous independent variable and check to see how consistent the change in the resulting indicator variables' coefficients is. A co-worker/physician asked if we didn't have a more formal test, so I'm checking that out. Thanks much, as always - Deanna *-----------------------------------------------------------------* Deanna Wild Statistician National Institute for Occupational Safety and Health 4676 Columbia Parkway MS: R-4 Cincinnati, Ohio 45226 INTERNET: DKW4@NIOSHE2.EM.CDC.GOV *-----------------------------------------------------------------*
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f5efb,9d44ca03599fa80a,start X-Google-Attributes: gidf5efb,public X-Google-ArrivalTime: 1993-07-01 13:45:35 PST Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU Path: arc1-ca.pugleaf.net!gmd.de!newsserver.jvnc.net!howland.reston.ans.net!paladin.american.edu!auvm!NIOSHE2.EM.CDC.GOV!DKW4 Return-Path: <@AUVM.AMERICAN.EDU,@VTBIT.BITNET:owner-stat-l@VM1.MCGILL.CA> Return-Receipt-To: <dkw4@NIOSHE2.EM.CDC.GOV> Encoding: 29 TEXT X-Mailer: Microsoft Mail V3.0 Message-ID: <2C32CB47@router.em.cdc.gov> Newsgroups: bit.listserv.stat-l Date: Thu, 1 Jul 1993 15:25:00 EST Sender: Stat-l Discussion List <STAT-L@MCGILL1.BITNET> From: "Deanna K. Wild" <dkw4@NIOSHE2.EM.CDC.GOV> Subject: Formal Test for Trend in Logistic Reg Lines: 24