Machine Learning Using R

© Karthik Ramasubramanian and Abhishek Singh 2017

Karthik Ramasubramanian and Abhishek SinghMachine Learning Using R10.1007/978-1-4842-2334-5_5

5. Feature Engineering

Karthik Ramasubramanian¹  and Abhishek Singh¹

(1)

New Delhi, Delhi, India

 

In machine learning, feature engineering is a blanket term covering both statistical and business judgment aspects of modeling real-world problems. Feature engineering is a new term coined recently to give due importance to the domain knowledge required to select sets of features for machine learning algorithms. It is one of the reasons that most of the machine learning professionals call it an informal process. In this chapter, we will provide an easy-to-use guide of key terms and methodology used in feature engineering. ...