Data Science and Big Data Analysis
Discuss on any of the these two topics
2 Statistical Learning 15
2.1 What Is Statistical Learning? . . . . . . . . . . . . . . . . . 15
2.1.1 Why Estimate f? . . . . . . . . . . . . . . . . . . . . 17
2.1.2How Do We Estimate f? . . . . . . . . . . . . . . . 21
2.1.3 The Trade-Off Between Prediction Accuracy and Model Interpretability . . . . . . . . . . . . . . 24
2.1.4 Supervised Versus Unsupervised Learning . . . . . . 26
2.1.5 Regression Versus Classification Problems . . . . . . 28
2.2 Assessing Model Accuracy . . . . . . . . . . . . . . . . . . . 29
2.2.1 Measuring the Quality of Fit . . . . . . . . . . . . . 29
2.2.2 The Bias-Variance Trade-Off . . . . . . . . . . . . . 33
2.2.3 The Classification Setting . . . . . . . . . . . . . . . 37
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