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Download e-book for iPad: A user’s guide to business analytics by Ayanendranath Basu, Srabashi Basu

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By Ayanendranath Basu, Srabashi Basu

ISBN-10: 146659165X

ISBN-13: 9781466591653

ISBN-10: 1466591668

ISBN-13: 9781466591660

A User's consultant to company Analytics offers a complete dialogue of statistical equipment beneficial to the company analyst. equipment are built from a pretty easy point to house readers who've restricted education within the concept of records. a considerable variety of case reviews and numerical illustrations utilizing the R-software package deal are supplied for the good thing about inspired newbies who are looking to get a head begin in analytics in addition to for specialists at the activity who will gain through the use of this article as a reference book.

The publication is constituted of 12 chapters. the 1st bankruptcy specializes in company analytics, besides its emergence and alertness, and units up a context for the total publication. the following 3 chapters introduce R and supply a complete dialogue on descriptive analytics, together with numerical info summarization and visible analytics. Chapters 5 via seven speak about set idea, definitions and counting ideas, chance, random variables, and chance 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 trying out strategies. Chapters 9 via twelve deal completely with predictive analytics. The bankruptcy on regression is sort of vast, facing version improvement and version complexity from a user’s point of view. a brief bankruptcy on tree-based tools places forth the most program parts succinctly. The bankruptcy on info mining is an efficient advent to the most typical computer studying algorithms. The final bankruptcy highlights the function of other time sequence types in analytics. In all of the chapters, the authors show off a few examples and case reviews and supply guidance to clients within the analytics field.

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Additional resources for A user’s guide to business analytics

Example text

Consider the attribute Creditworthiness.

As the names suggest, if only one type of information is collected from each unit, the data is univariate. A simple example is the set of observed heights of a group of adult Indian females. , height and weight of each female in the group. , then the data is multivariate. A database is an organized collection of data where all information is stored in such a way as to facilitate easy access and analysis of the stored information. A database is constructed as a relational database where a unique primary key field identifies and links data from different tables.

4 Graphics in R R has highly developed graphics facilities. The basic command for that is plot(). 4. The plain vanilla plot does not look impressive. But all aspects of the basic plot can be customized by specifying the X-axis and the Y-axis, proper labeling, adjusting the size and shape of the points and using color. Other than the basic plot as shown here, there are graphics libraries which produce even more sophisticated graphics. One such group of functions, belonging to the library ggplot2, is used extensively in Chapter 4 for data visualization.

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

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