Polynomial Terms: Creating non-linear relationships through polynomial feature ... glmnet: For Lasso and Ridge Regression. ggplot2: For visualizing data and residuals. dplyr: For efficient data ...

Polynomial Regression ... and add them. Let this value be k. Now we divide the mse by k and subtract the result from 1. This gives us the R2 score. The R2 score is a value between 0 and 1. A large R2 ...