R Data Analysis Cookbook, Second Edition - Second Edition

Introduction

Data is everywhere and the amount of digital data that exists is growing rapidly, that is projected to grow to 180 zettabytes by 2025. Data Science is a field that tries to  extract insights and meaningful information from structured and unstructured data through various stages such as asking questions, getting the data, exploring the data, modeling the data, and communicating result as shown in the following diagaram:

Data scientists or analysts often need to load or collect data from various resources having different input formats into R. Although R has its own native data format, data usually exists in text formats, such as ...