Re: [R] nonlinear regression with M estimation

From: roger koenker <rkoenker_at_uiuc.edu>
Date: Tue 06 Jul 2004 - 02:30:12 EST

the package nlrq does median nonlinear regression... among other things.

url:	www.econ.uiuc.edu/~roger        	Roger Koenker
email	rkoenker@uiuc.edu			Department of Economics
vox: 	217-333-4558				University of Illinois
fax:   	217-244-6678				Champaign, IL 61820

On Jul 5, 2004, at 11:08 AM, Ruei-Che Liu wrote:

> Hi All,
> Could any one tells me if R or S has the capacity to fit nonlinear
> regression with Huber's M estimation? Any suggestion is appreciated. I
> was
> aware of 'rlm' in MASS library for robust linear regression and 'nls'
> for nonlinear least squares regression, but did not seem to be able to

> find robust non-linear regression function.
>
> Thanks and regards,
>
> Ray Liu
>
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R-help@stat.math.ethz.ch mailing list
https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Jul 06 02:32:30 2004

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