Book Image

R Data Mining

Book Image

R Data Mining

Overview of this book

R is widely used to leverage data mining techniques across many different industries, including finance, medicine, scientific research, and more. This book will empower you to produce and present impressive analyses from data, by selecting and implementing the appropriate data mining techniques in R. It will let you gain these powerful skills while immersing in a one of a kind data mining crime case, where you will be requested to help resolving a real fraud case affecting a commercial company, by the mean of both basic and advanced data mining techniques. While moving along the plot of the story you will effectively learn and practice on real data the various R packages commonly employed for this kind of tasks. You will also get the chance of apply some of the most popular and effective data mining models and algos, from the basic multiple linear regression to the most advanced Support Vector Machines. Unlike other data mining learning instruments, this book will effectively expose you the theory behind these models, their relevant assumptions and when they can be applied to the data you are facing. By the end of the book you will hold a new and powerful toolbox of instruments, exactly knowing when and how to employ each of them to solve your data mining problems and get the most out of your data. Finally, to let you maximize the exposure to the concepts described and the learning process, the book comes packed with a reproducible bundle of commented R scripts and a practical set of data mining models cheat sheets.
Table of Contents (22 chapters)
Title Page
Credits
About the Author
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface
14
Epilogue

On a quiet day


It's a nice day today, you get into your 6th-floor office at Hippalus, Wholesaler Inc, grab a coffee, and sit down at your desk. Suddenly, an email pops in your inbox: Urgent - profits drop. As soon as the meaning of those three words is clear to you, you realize that everybody in the office has received the same email and they are starting to chat about it, there will be a meeting with the head of the office in 15 minutes. When you get into the meeting room, still missing the coffee you left at your desk, a big chart is projected on the wall:

OK, you have just read Chapter 2A First Primer on Data Mining - Analysing Your Banking Account Data so you know it is a line chart, and that we are looking at a time series, but no title is included so we can just observe the incredible drop at the end of the series. Whoa, those are our quarterly cash flows, says the astonished colleague sitting next to you.

How did we get that low?, replies back the one sitting on your other side. This...