This book aims to provide readers with a comprehensive guide to the fundamentals of Big Data analytics and its applications in various industries and smart societies. What sets this book apart is its in-depth coverage of different aspects of Big Data analytics, including Machine Learning algorithms, spatial data analytics, and IoT-based smart systems for precision agriculture. The book also delves into the use of Big Data analytics in healthcare, energy management, and agricultural development, among others. The authors have used clear and concise language, along with relevant examples and case studies, to help readers understand the complex concepts involved in Big Data analytics. In today’s digital age, data has become the most valuable asset for businesses and societies. The increasing digitization of processes and the rise of the Internet of Things (IoT) have led to an exponential growth in the amount of data being generated. This data holds valuable insights that can help businesses make better decisions, optimize processes, and improve customer experiences. However, managing and analyzing this massive amount of data can be overwhelming, especially for those who are new to the field of Big Data analytics.