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 and 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, pp. 46–47.

### See Also

`car.test.frame`, `car90`

### Examples

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

[Package rpart version 4.1-8 Index]