[R] Multiple linear regression with constraint (imposition)
rvaradhan at jhmi.edu
Sat Oct 31 04:42:55 CET 2009
Simply do this:
lm(y ~ I(X1 - X2))
Ravi Varadhan, Ph.D.
Division of Geriatric Medicine and Gerontology
School of Medicine
Johns Hopkins University
Ph. (410) 502-2619
email: rvaradhan at jhmi.edu
----- Original Message -----
From: "CE.KA" <ce.kaya75 at yahoo.fr>
Date: Friday, October 30, 2009 7:48 pm
Subject: Re: [R] Multiple linear regression with constraint (imposition)
To: r-help at r-project.org
> Sorry there was a mistake:
> Hi R users
> I want to do a multiple linear regression with R
> With a normal model (Y=Cste+A1*X1+A2*X2) the program would be
> My model is Y=Cste+A1*X1+A2*X2 with the constraint A1=-A2
> What is the program for such a model?
> Best regards
> View this message in context:
> Sent from the R help mailing list archive at Nabble.com.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained, reproducible code.
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