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

Description Usage Format

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.

Usage

1

Format

A data frame with 234 rows and 11 variables

manufacturer
model

model name

displ

engine displacement, in litres

year

year of manufacture

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

fuel type

class

"type" of car


ggplot2 documentation built on Oct. 25, 2018, 9:04 a.m.