| car.test.frame {rpart} | R Documentation |
The car.test.frame data frame has 60 rows and 8 columns,
giving data on makes of cars taken from the April, 1990 issue of
Consumer Reports. This is part of a larger dataset, some
columns of which are given in cu.summary.
car.test.frame
This data frame contains the following columns:
Pricea numeric vector giving the list price in US dollars of a standard model
Countryof origin, a factor with levels
France
Germany
Japan
Japan/USA
Korea
Mexico
Sweden
USA
Reliabilitya numeric vector coded 1 to 5.
Mileagefuel consumption miles per US gallon, as tested.
Typea factor with levels
Compact
Large
Medium
Small
Sporty
Van
Weightkerb weight in pounds.
Disp.the engine capacity (displacement) in litres.
HPthe net horsepower of the vehicle.
Consumer Reports, April, 1990, pp. 235–288 quoted in
John M. Chambers and Trevor J. Hastie eds. (1992) Statistical Models in S, Wadsworth and Brooks/Cole, Pacific Grove, CA 1992, pp. 46–47.
z.auto <- rpart(Mileage ~ Weight, car.test.frame) summary(z.auto)