Book Image

R Data Science Essentials

Book Image

R Data Science Essentials

Overview of this book

With organizations increasingly embedding data science across their enterprise and with management becoming more data-driven it is an urgent requirement for analysts and managers to understand the key concept of data science. The data science concepts discussed in this book will help you make key decisions and solve the complex problems you will inevitably face in this new world. R Data Science Essentials will introduce you to various important concepts in the field of data science using R. We start by reading data from multiple sources, then move on to processing the data, extracting hidden patterns, building predictive and forecasting models, building a recommendation engine, and communicating to the user through stunning visualizations and dashboards. By the end of this book, you will have an understanding of some very important techniques in data science, be able to implement them using R, understand and interpret the outcomes, and know how they helps businesses make a decision.
Table of Contents (15 chapters)
R Data Science Essentials
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Datasets


In this chapter, we will use a public dataset that was extracted from the website, http://data.worldbank.org/. We have pulled out the following details for all the countries. In case the data is not present for a country, it would appear blank.

We will use the following dataset to learn the concepts in this chapter. The extracted dataset is provided to you in a CSV file named worlddata. We will use the dataset to learn the concepts of clustering:

Label

Description

electricity_access

The percentage of the population with electricity access

co2_emissions

Carbon dioxide emissions

mortality_rateper1000

The mortality rate per thousand

export_percent_to_gdp

The exports in percentage to GDP

alternative_and_nuclearenergy_percent_total

Alternate and nuclear energy contribution from the whole dataset

forest_area_percent

Forests that are covered

net_migration

Net migration

male_unemployment

The unemployment rate in India

air_transport

Air traffic and registered carriers departure...