Nonparametric regression is a form of regression analysis in which the predictor does not take a predetermined form but is constructed according to information derived from the data. Nonparametric regression requires larger sample sizes than regression based on parametric models because the data must supply the model structure as well as the model estimates.
Read more about Nonparametric Regression: Kernel Regression, Nonparametric Multiplicative Regression, Regression Trees, See Also