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.