R: Automobile Data from 'Consumer Reports' 1990

car.test.frame {rpart} | 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 `1` to `5`.

`Mileage`

  fuel consumption miles per US gallon, as tested.

`Type`

  a factor with levels `Compact` `Large` `Medium` `Small` `Sporty` `Van`

`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)

[Package rpart version 4.1-8 Index]