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The LOESS Procedure
The LOESS Procedure
Overview: LOESS Procedure
Local Regression and the Loess Method
Getting Started: LOESS Procedure
Scatter Plot Smoothing
Syntax: LOESS Procedure
PROC LOESS Statement
BY Statement
ID Statement
MODEL Statement
SCORE Statement
WEIGHT Statement
Details: LOESS Procedure
Missing Values
Output Data Sets
Data Scaling
Direct versus Interpolated Fitting
kd Trees and Blending
Local Weighting
Iterative Reweighting
Specifying the Local Polynomials
Smoothing Matrix
Model Degrees of Freedom
Statistical Inference and Lookup Degrees of Freedom
Automatic Smoothing Parameter Selection
Sparse and Approximate Degrees of Freedom Computation
Scoring Data Sets
ODS Table Names
ODS Graphics
Examples: LOESS Procedure
Engine Exhaust Emissions
Sulfate Deposits in the U.S. for 1990
Catalyst Experiment
El Niño Southern Oscillation
References
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Copyright © 2009 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
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