Non-Parametric Regression (NPR) Models is a category of regression models in which the predictor 𝑦̂ does not take a parametric function/form but is constructed according to information derived from the data NPR Model - Types Kernel Distribution(Density／Mass) Estimation／Classification (KDE／KDC) Resources http://www.stat.cmu.edu/~larry/=sml/nonpar.pdf