ISLR chapter 02. Statistical Learning

2.1 What Is Statistical Learning? X : input variables; predictors; independent variables Y : output variables; response; dependent variable Suppose that we observe a quantitative response Y and p different predictors, . We assume that there is some relationship between Y and 《Very general form》   2.1.1 Why Estimate f ? ① Prediction We can …

Read moreISLR chapter 02. Statistical Learning