Author Bios

Robert A. Muenchen is the author of R for SAS and SPSS Users and, with Joseph M. Hilbe, R for Stata Users. He is also the creator of, a popular web site devoted to analyzing trends in data science software, reviewing such software, and helping people learn the R language. Of the over 750 R blogs on the Internet, Feedspot rates the eleventh most influential.

Bob is an ASA Accredited Professional Statistician™ with 35 years of experience and is currently the manager of OIT Research Computing Support (formerly the Statistical Consulting Center) at the University of Tennessee. He has taught workshops on research computing topics for more than 500 organizations and has presented workshops in partnership with the American Statistical Association, RStudio,, New Horizons Computer Learning Centers, Revolution Analytics (acquired by Microsoft), and Xerox Learning Services. Bob has written or coauthored over 70 articles published in scientific journals and conference proceedings, and has provided guidance on more than 1,000 graduate theses and dissertations.

Bob has served on the advisory boards of SAS Institute, SPSS Inc., StatAce OOD, the Statistical Graphics Corporation, and PC Week Magazine. His suggested improvements have been incorporated into SAS, SPSS, StatAce, JMP, jamovi, BlueSky Statistics, STATGRAPHICS and numerous R packages. His research interests include statistical computing, data graphics and visualization, text analytics, and data mining.

Joseph M. Hilbe (December 30, 1944 – March 12, 2017) was the Solar System Ambassador with NASA/Jet Propulsion Laboratory, California Institute of Technology, an adjunct professor of statistics at Arizona State, and emeritus professor at the University of Hawaii. He was an elected Fellow of the American Statistical Association and of the Royal Statistical Society and an elected member of the International Statistical Institute.

Professor Hilbe was the first editor of the Stata Technical Bulletin, later to become the Stata Journal, (1991–1993), and was software reviews editor for The American Statistician from 1997-2009. Hilbe was also the author of a number of books, including Logistic Regression Models, Negative Binomial Regression, and with Robert A. Muenchen, R for Stata users, and with J. Hardin, Generalized Linear Models and Extensions, and Generalized Estimating Equations.

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