CHAPTER 2
INTRODUCTION TO MACHINE LEARNING
This chapter introduces numerous concepts in machine learning, such as feature selection, feature engineering, data cleaning, training sets, and test sets.
The first part of this chapter briefly discusses machine learning and the sequence of steps that are typically required to prepare a dataset. These steps include “feature selection” or “feature extraction” that can be performed using various algorithms.
The second section describes the types of data that you can encounter, issues that can arise with the data in datasets, and how to rectify them. You will also learn about the difference between “hold out” and “k-fold” when you perform the training step.
The third part of this chapter briefly discusses ...
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