Cars Data Set.

The data frame cars give information on makes of cars taken from the April, 1990 issue of Consumer Reports. The data set comes from Splus.

DATA DESCRIPTION: The data frame contains the following columns:

Name: of the car

Weight: the weight of the car in pounds

Disp: a numeric vector giving the engine displacement in liters.

Mileage: a numeric vector of gas mileage in miles/gallon as tested by CU; contains NAs.

Type: a factor giving the general type of car. The levels are: Small, Sporty, Compact, Medium, Large, Van.

SOURCE: The data are from Peter Guttorp, Statistics Department, University of Washington, Seattle, Washington.