Nicole Johnson is a doctoral student in the Department of Criminal Justice at Temple University. Her research interests include understanding group- and community-level behavioral dynamics, particularly those related to crime and responses to crime.

Reka Solymosi is a lecturer in quantitative methods at the Department of Criminology at University of Manchester, and a member of the Software Sustainability Institute. Her research focuses on making use of new forms of data to gain insight into people's behaviour and subjective experiences, particularly focusing on crime, victimisation, transport, and spatial research.

Samuel Langton is a researcher in quantitative criminology at Manchester Metropolitan University. His research primarily focuses on describing and explaining the spatial and temporal patterning of known offender residences.

The first R textbook aimed specifically at the needs of criminology and criminal justice researchers

Helps readers master program basics such as R file types, importing and exporting data, data types and structures, data cleaning, different types of loops, and writing functions

Covers statistical analyses and data manipulation techniques to include measures of central tendency and dispersion, chi-squared, t-tests, analysis of variance, hypothesis testing, regression, and data visualizations and graphics