A data frame with the annual deaths in road accidents for half the US states.
road
Columns are:
state
name.
deaths
number of deaths.
drivers
number of drivers (in 10,000s).
popden
population density in people per square mile.
rural
length of rural roads, in 1000s of miles.
temp
average daily maximum temperature in January.
fuel
fuel consumption in 10,000,000 US gallons per year.