How Loess Works
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Loess (or lowess, Locally Weighted Scatterplot Smoothing) is a scatterplot smoother, which provides a flexible method for nonparametric regression.
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Contributed by: Ian McLeod (March 2011)
Open content licensed under CC BY-NC-SA
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"How Loess Works"
http://demonstrations.wolfram.com/HowLoessWorks/
Wolfram Demonstrations Project
Published: March 29 2011