[R] Multiple linear regression with constraint (imposition)
ce.kaya75 at yahoo.fr
Sat Oct 31 12:07:18 CET 2009
Thank you Ravi
Ravi Varadhan wrote:
> Simply do this:
> lm(y ~ I(X1 - X2))
> Ravi Varadhan, Ph.D.
> Assistant Professor,
> 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.
> 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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