This book provides a single introductory source, organized in a systematic way, in which the authors direct the readers in analysis of large data sets, through the explanation of basic concepts, models and methodologies developed in recent decades. This new edition will introduce and expand on many topics, as well as include revised sections on software tools and data mining applications. Additional changes can also be found in an updated list of references for further study, and an extended list of problems and questions in each chapter.