About the author

Jacob Kaplan is the Chief Data Scientist of the Research on Policing Reform and Accountability (RoPRA), a multi-disciplinary, multi-institutional team of social scientists studying the feasibility and efficacy of policing reform, with a focus on statistically rigorous research and practical applications. His current appointment is at the Princeton School of Public and International Affairs. He holds a PhD and a master’s degree in criminology from the University of Pennsylvania and a bachelor’s degree in criminal justice from California State University, Sacramento.

He is the author of several R packages that make it easier to work with data, including fastDummies and asciiSetupReader. His website allows easy analysis of crime-related data, and he has released over a dozen crime data sets that he has compiled, cleaned, and made available to the public. He is also the author of books on the two primary criminal justice data sets: the FBI’s Uniform Crime Reporting (UCR) Program Data and the FBI’s National Incident Based Reporting System (NIBRS) data.