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Unsupervised Learning with R by Erik Rodríguez Pacheco

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Chapter 1. Welcome to the Age of Information Technology

Machine learning is one of the disciplines that is most frequently used in data mining and can be subdivided into two main tasks: supervised learning and unsupervised learning. This book will concentrate mainly on unsupervised learning.

So, let's begin this journey right from the start. This particular chapter aims to introduce you to the unsupervised learning context. We will begin by explaining the concept of data mining and mentioning the main disciplines that we use in data mining.

Next, we will provide a high-level introduction of some key concepts about information theory. Information theory studies the transmission, processing, utilization, and even extraction of information and has ...

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