ggplot2 (version 0.9.2.1)

mpg: Fuel economy data from 1999 and 2008 for 38 popular models of car

Description

This dataset contains a subset of the fuel economy data that the EPA makes available on http://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.

Arguments

format

A data frame with 234 rows and 11 variables

Details

  • 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.