Prabhanjan Narayanachar Tattar - R Statistical Application Development by Example Beginners Guide

Prabhanjan Narayanachar Tattar has seven years of experience with R software and has also co-authored the book A Course in Statistics with R published by Narosa Publishing House . The author has built two packages in R titled gpk and ACSWR. He has obtained a PhD (Statistics) from Bangalore University under the broad area of Survival Analysis and published several articles in peer-reviewed journals. During the PhD program, the author received the young Statistician honors in IBS(IR)-GK Shukla Young Biometrician Award (2005) and Dr. U.S. Nair Award for Young Statistician (2007) and also held a Junior and Senior Research Fellowship of CSIR-UGC.

Prabhanjan is working as a Business Analysis Advisor at Dell Inc, Bangalore. He is working for the Customer Service Analytics unit of the larger Dell Global Analytics arm of Dell.

I would like to thank Prof. Athar Khan, Aligarh Muslim University, whose teaching during a shared R workshop inspired me to a very large extent. My friend Veeresh Naidu has gone out of his way in helping and inspiring me complete this book and I thank him for everything that defines our friendship.

Many of my colleagues at the Customer Service Analytics unit of Dell Global Analytics, Dell Inc. have been very tolerant of my stat talk with them and it is their need for the subject which has partly influenced the writing of the book. I would like to record my thanks to them and also my manager Debal Chakraborty.

My wife Chandrika has been very cooperative and without her permission to work on the book during weekends and housework timings this book would have never been completed. Pranathi at 2 years and 9 months has started school, the pre-kindergarten, and it is genuinely believed that one day she will read this entire book.

I am also grateful to the reviewers whose constructive suggestions and criticisms have helped the book reach a higher level than where it would have ended up being without their help. Last and not least, I would like to take the opportunity to thank Usha Iyer and Anurag Banerjee for their inputs with the earlier drafts, and also their patience with my delays.

Mark van der Loo obtained his PhD at the Institute for Theoretical Chemistry at the University of Nijmegen (The Netherlands). Since 2007 he has worked at the statistical methodology department of the Dutch official statistics office (Statistics Netherlands). His research interests include automated data cleaning methods and statistical computing. At Statistics Netherlands he is responsible for the local R center of expertise, which supports and educates users on statistical computing with R. Mark has coauthored a number of R packages that are available via CRAN, namely editrules, deducorrect, rspa, extremevalues, and stringdist. Together with Edwin de Jonge he authored the book Learning RStudio for R Statistical Computing . A list of his publications can be found at www.markvanderloo.eu.

Mzabalazo Z. Ngwenya has worked extensively in the field of statistical consulting and currently works as a biometrician. He holds an MSC in Mathematical Statistics from the University of Cape Town and is at present studying towards a PhD (School of Information Technology, University of Pretoria) in the field of Computational Intelligence. His research interests include statistical computing, machine learning, spatial statistics, and simulation and stochastic processes. Previously he was involved in reviewing Learning RStudio for R Statistical Computing by Mark P.J. van der Loo and Edwin de Jonge, Packt Publishing

A Ohri is the founder of analytics startup Decisionstats.com. He has pursued graduation studies from the University of Tennessee, Knoxville and the Indian Institute of Management, Lucknow. In addition, he has a Mechanical Engineering degree from the Delhi College of Engineering. He has interviewed more than 100 practitioners in analytics, including leading members from all the analytics software vendors. He has written almost 1300 articles on his blog besides guest writing for influential analytics communities. He teaches courses in R through online education and has worked as an analytics consultant in India for the past decade. He was one of the earliest independent analytics consultants in India and his current research interests include spreading open source analytics, analyzing social media manipulation, simpler interfaces to cloud computing, and unorthodox cryptography.

He is the author of R for Business Analytics .

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