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Getting Started
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The LOESS Procedure
Overview
Local Regression and the Loess Method
Getting Started
Scatter Plot Smoothing
Syntax
PROC LOESS Statement
BY Statement
ID Statement
MODEL Statement
SCORE Statement
WEIGHT Statement
Details
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
Engine Exhaust Emissions
Sulfate Deposits in the U.S. for 1990
Catalyst Experiment
El Niño Southern Oscillation
References
Getting Started: LOESS Procedure
Scatter Plot Smoothing
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