Outline (Level 1) ①A Case 2 Least Squares Method 3 From Linear to Nonlinear:Using Linear Model 4How Regression Got Its Name 5】 Probability Interpretation 6 Bias-Variance Dilemma 1178Outline (Level 1) 1 A Case 2 Least Squares Method 3 From Linear to Nonlinear: Using Linear Model 4 How Regression Got Its Name 5 Probability Interpretation 6 Bias–Variance Dilemma 1 / 78