An 1854 study on mental health in the fourteen counties of Massachusetts yields data on 14 cases. This study was performed by Edward Jarvis (then president of the American Statistical Association)
The variables included in the dataset are:
Current.policy
Current sentencing policy
Past.execution.rate
Past execution rate
Politicla.Culture
Political culture
Current.opinion
Current opinion
Citizen.ideology
Citizen ideology
Murder.Rate
Murder rate
Catholic
Catholic
Black
Black
Urban
Urban
Past.laws
Past laws
Past.opinion
Past opinion
data(norr)