Linear RegressionMultivariate RegressionRegularizationPolynomial RegressionGoodness of Fit with Data—The Perils of OverfittingRoot-Mean-Square ErrorModel Simplicity and Goodness of FitLogistic RegressionThe Motivation for ClassificationThe Decision BoundaryThe Sigmoid FunctionBinary ClassificationMulticlass ClassificationLogistic Regression with CaretSummaryLinear RegressionLogistic Regression