Linear Regression Multiple Linear Regression Qualitative Predictors Comparison of Linear Regression with K-Nearest Neighbors Multiple Linear Regression Contour Plot of RSS (Residual Sum of Squares) Estimating the Coeffcients Estimating the Regression Coeffcients Lab: Linear Regression Assessing the Accuracy of the Coeffcient Estimates Assessing the Accuracy of the Coeffcient Estimates Other Considerations in the Regression Model Non-linear Transformations of the Predictors