R: Automobile Data from 'Consumer Reports' 1990

cu.summary {rpart} | R Documentation

## Automobile Data from 'Consumer Reports' 1990

### Description

The `cu.summary` data frame has 117 rows and 5 columns, giving data on makes of cars taken from the April, 1990 issue of Consumer Reports.

### Usage

    cu.summary

### 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 `Brazil` `England` `France` `Germany` `Japan` `Japan/USA` `Korea` `Mexico` `Sweden` `USA`

`Reliability`

  an ordered factor with levels `Much worse` < `worse` < `average` < `better` < `Much better`

`Mileage`

  fuel consumption miles per US gallon, as tested.

`Type`

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

### 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 1992, pp. 46–47.

### See Also

`car.test.frame`

### Examples

    fit <- rpart(Price ~ Mileage + Type + Country, cu.summary)
    plot(fit, compress=TRUE)
    text(fit, use.n=TRUE)

[Package rpart version 3.1-53 Index]