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MathGroup Archive 1997

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loess regression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg8638] loess regression
  • From: "David E. Burmaster" <deb at Alceon.com>
  • Date: Fri, 12 Sep 1997 04:10:52 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Dear MathGroup,

Has anyone written a function to do "loess" regression and smoothing in Mma??

"Loess" is an abbreviation for "local regression." People at the old Bell
Laboratories first wrote the algorithm about 15 years ago. For 10 years or
so, S-Plus, Systat, and other commercial programs for statistics have
included "loess" as an option for smoothing data in an x-y scatterplot.

For a reference, see this book and the references in it:

	Cleveland, W.S., 1993, Visualizing Data, published by
		Hobart Press, Summitt, NJ

Thanks for your help

Dave


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David E. Burmaster, Ph.D.
Alceon Corporation (R)
PO Box 382669
Cambridge, MA 02238-2669

tel: 617-864-4300 x222
fax: 617-864-9954

deb at Alceon.com
http://www.Alceon.com

(R) Alceon is a registered trademark of Alceon Corporation
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