This dataset contains a subset of the fuel economy data that the EPA makes available on https://fueleconomy.gov. It contains only models which had a new release every year between 1999 and 2008 - this was used as a proxy for the popularity of the car.
mpgA data frame with 234 rows and 11 variables
manufacturer.
model.
displ. engine displacement, in litres
year.
cyl. number of cylinders
trans. type of transmission
drv. f = front-wheel drive, r = rear wheel drive, 4 = 4wd
cty. city miles per gallon
hwy. highway miles per gallon
fl.
class.