Loess local regression is a nonparametric technique for describing bivariate relationships where the functional form is not known in advance.
Loess Local Regression
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References
Ellis, L. and Burmaster, D. Mathematica
package. http://www.verbeia.com/mathematica/mma/loess_enhanced.nb.Referenced on Wolfram|Alpha
Loess Local RegressionCite this as:
Weisstein, Eric W. "Loess Local Regression." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/LoessLocalRegression.html