Arrest data from Gelman & Hill's book, used in Chapter 6 (and others). The data have been aggregated by precinct and race/ethnicity, with the sum of prior arrests and stops calculated. You can download the original data here: http://www.stat.columbia.edu/~gelman/arm/examples/police/
arrests
A tibble with 225 rows and 4 variables:
An integer denoting the precinct identification number.
A factor with the coded race/ethnicity
The number of police stops
The number of prior arrests (this is used as an offset variable in the book)