Brett Lantz is a data scientist at the University of Michigan and the author of Machine Learning with R, a best-selling textbook praised for its beginner-friendly practical approach to the topic. After studying sociology and machine learning at the University of Michigan (B.S.) and University of Notre Dame (M.A.), Brett has spent more than 10 years using innovative data methods to understand human behavior. First captivated by machine learning while studying a large database of teenagers’ social network profiles, Brett has since worked on interdisciplinary studies of cellular telephone calls, medical billing data, and philanthropic activity, among others.