ISL

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 …

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ISLR chapter 01. Introduction

A Brief History of Statistical Learning Though the term statistical learning is fairly new, many of the concepts that underlie the field were developed long ago. At the beginning of the nineteenth century, Legendre and Gauss published papers on the method of least squares, which implemented the first successfully applied to problems in astronomy. Linear …

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