Article View: sci.math.num-analysis
Article #895Re: mathematica stepwise regression package
From: David Moore
Date: Tue, 15 Dec 1992 20:30
Date: Tue, 15 Dec 1992 20:30
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andersh@maths.lth.se (Anders Holtsberg) writes: >gary mcclelland mcclella@yertle.colorado.edu: >You mean what is bad? Let's say we want to make predictions. >Is the idea of using a subset of the predictors that is bad or >do you mean the stepwise way to pick them? If the latter: do >you know any better way (except trying all combinations)? What about canonical co-ordinates? I always felt that this method gave you a better feel for what might be going on, but it is years since I did any econometrics. What are the drawbacks of this method, assuming you use it intelligently. (Obviously, the comments about the need for thought and intuition apply equally well whatever method you use).
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Newsgroups: sci.math.num-analysis,sci.math.stat,sci.math.symbolic Path: arc1-ca.pugleaf.net!sparky!uunet!rational.com!questor!davidm From: davidm@questor.Rational.COM (David Moore) Subject: Re: mathematica stepwise regression package Message-ID: <davidm.724451400@questor> Keywords: mathematica stepwise regression Sender: news@rational.com Organization: Rational References: <1446@ares.edsr.eds.com> <mcclella.724399758@yertle.Colorado.EDU> <1992Dec15.083258.1474@lth.se> Date: Tue, 15 Dec 1992 20:30:00 GMT Lines: 19