Regression analysis is a statistical tool that is widely used to determine the
relationship between a pair of variables or more. Regression analysis is
divided into two, namely parametric regression and nonparametric
regression. Nonparametric regression has several smoothing methods, such
as spline and kernel regression. Its main purpose is to compare the two
methods for estimating the nonparametric regression model. The data were
used to compare the two methods of toddler growth data