Download PDF by Ayanendranath Basu, Srabashi Basu: A user’s guide to business analytics

By Ayanendranath Basu, Srabashi Basu

ISBN-10: 146659165X

ISBN-13: 9781466591653

ISBN-10: 1466591668

ISBN-13: 9781466591660

A User's advisor to company Analytics offers a accomplished dialogue of statistical equipment important to the enterprise analyst. equipment are built from a pretty uncomplicated point to house readers who've constrained education within the thought of records. a considerable variety of case stories and numerical illustrations utilizing the R-software package deal are supplied for the good thing about influenced novices who are looking to get a head commence in analytics in addition to for specialists at the activity who will profit by utilizing this article as a reference book.

The e-book is created from 12 chapters. the 1st bankruptcy makes a speciality of enterprise analytics, besides its emergence and alertness, and units up a context for the full e-book. the subsequent 3 chapters introduce R and supply a finished dialogue on descriptive analytics, together with numerical facts summarization and visible analytics. Chapters 5 via seven talk about set thought, definitions and counting principles, chance, random variables, and likelihood distributions, with a couple of enterprise situation examples. those chapters lay down the basis for predictive analytics and version building.

Chapter 8 bargains with statistical inference and discusses the commonest checking out techniques. Chapters 9 via twelve deal solely with predictive analytics. The bankruptcy on regression is kind of broad, facing version improvement and version complexity from a user’s viewpoint. a quick bankruptcy on tree-based tools places forth the most program parts succinctly. The bankruptcy on facts mining is an effective creation to the most typical computer studying algorithms. The final bankruptcy highlights the position of other time sequence types in analytics. In all of the chapters, the authors exhibit a couple of examples and case experiences and supply directions to clients within the analytics field.

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Organizations that are just starting up or have been in business for a shorter period often choose R. However, learning R might not be the easiest task in the world. We have used only R for all the examples that are discussed in this book. For many of the illustrations, important parts of the codes are also provided along with the R output. In this chapter we provide a very brief glimpse into the working of R and indications as to where one should look for help in case one gets stuck. It is not possible to provide comprehensive guidance on R in a single chapter.

1 What Is Data? 6 Suggested Further Reading References Index Preface This is a book on predictive analytics. If technology was the competitive edge for business during the later part of the 20th century, for the 21st century it is going to be knowledge. Easy availability of technology at a fraction of the cost compared to what it was in the 1990s, has made all businesses hungry for data. E-commerce, e-business, e-transactions as well as less technology–intensive methods of doing business now generate a plethora of data.

It is also possible to save graphs in other formats and copy from the Plots window. Other than simple two-dimensional plots, many statistical functionalities can also be rendered graphically. Several useful functionalities are considered and showcased in subsequent chapters, wherever relevant. 5 Further Notes about R Explicit loops do not work well in R. Since R loads all data in the memory, taking each element of a vector (or matrix) and performing the same operation repeatedly is not an efficient way to work in R.

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A user’s guide to business analytics by Ayanendranath Basu, Srabashi Basu

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