| car.test.frame | R Documentation |
Automobile Data from 'Consumer Reports' 1990
Description
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.
Usage
car.test.frame
Format
This data frame contains the following columns:
Price-
a numeric vector giving the list price in US dollars of a standard model
Country-
of origin, a factor with levels ‘France’, ‘Germany’, ‘Japan’ , ‘Japan/USA’, ‘Korea’, ‘Mexico’, ‘Sweden’ and ‘USA’
Reliability-
a numeric vector coded
1to5. Mileage-
fuel consumption miles per US gallon, as tested.
Type-
a factor with levels
CompactLargeMediumSmallSportyVan Weight-
kerb weight in pounds.
Disp.-
the engine capacity (displacement) in litres.
HP-
the net horsepower of the vehicle.
Source
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, pp. 46–47.
See Also
car90,
cu.summary
Examples
z.auto <- rpart(Mileage ~ Weight, car.test.frame)
summary(z.auto)