Distinguished Professor, Department of Government
Department of Mathematics & Statistics,
Founding Director, Center for Data Science
Member, Center for Neuroscience and Behavior

American University, 4400 Massachusetts Avenue, NW, Washington, DC 20016



  • Gill, Jeff, and Michelle Torres. “Generalized Linear Models: A Unified Approach”. Second Ed, Thousand Oaks, CA: Sage, 2019

    Generalized Linear Models: A Unified Approach provides an introduction to and overview of GLMs, with each chapter carefully laying the groundwork for the next. The Second Edition provides examples using real data from multiple fields in the social sciences such as psychology, education, economics, and political science, including data on voting intentions in the 2016 U.S. Republican presidential…


  • Gill, Jeff. “Bayesian Methods: A Social and Behavioral Sciences Approach”. 3rd ed., CRC Press, 2014

    Since the Spring of 2016 all of the code and data for the book has been located in the R package BaM, including both R and JAGS. Answers to odd numbered exercises are here.  The Corrected index for the very first print run (few people will need this). The state.df dataset got left off the BaM package so it’s here….




  • Gill, Jeff, Micah Altman, and Michael McDonald. “Numerical Issues in Statistical Computing for the Social Scientist”. John Wiley & Sons, 2003

    Reviews:  “A compact guide to the voluminous literature on optimisation, numerical analysis, and computational statistics. This is no small achievement.” – Statistical Software Newsletter in Computational Statistics and Data Analysis. “…an excellent text. It has the potential to be enormously influential across the social sciences…It should be required reading for everyone who performs statistical computing at…


  • Gill, Jeff. “Bayesian Methods: A Social and Behavioral Sciences Approach”. CRC Press, 2002

    Reviews: “…easily the most comprehensive, scholarly, and thoughtful book the subject… it will do much to promote the use of Bayesian methods.” –David Blackwell, University of California, Berkeley. “A surprisingly thorough review written by a user of Bayesian statistics, with applications drawn from the social sciences.” –Persi Diaconis, Stanford University. “This book is a brilliant…


  • Gill, Jeff. “Generalized Linear Models: A Unified Approach”. SAGE QASS series, 2000

    Datasets from the book: Capital Punishment, Scottish Vote, Educational Testing, World Copper Prices, Committee Bill Assignments Incomplete Beta Function Table (Replication from Cox and Snell, 1968).  S-Plus/R code for the examples.  The Handout from my American Statistical Association (Boston chapter) Workshop. Contains lots of S-Plus/R code for GLMs.  Data from the Workshop (useful for running the examples).  Pat Altham’s Homepage (several useful guides to…

  • Gill, Jeff, and Kenneth Meier. “What Works, A New Approach to Program and Policy Analysis”. Routledge, 2000

    Code and datasets from the book:  S-Plus/R code, Child Support, Texas Schools, 1854 “Lunatics”, Murder Rates and Pooled Texas Data.

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