car.test.frame

From rpart:
 
 The <code>car.test.frame</code> 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 <code><a rd-options="" href="/link/cu.summary?package=itree&version=0.1" data-mini-rdoc="itree::cu.summary">cu.summary</a></code>.

datasets

This package is based on the code of the rpart package.
It extends rpart by adding additional splitting methods
emphasizing interpretable/parsimonious trees.  Unless indicated
otherwise, it is safe to assume that all functions herein are
extensions of or copied directly from similar or nearly
identical rpart methods.  As such, the authors of rpart are
authors of this package as well.  However, please direct any
error reports or other questions about itree to the maintainer
of this package; they are welcome and appreciated.

Alex Goldstein

itree

Tools for classification and regression trees, with an emphasis
on interpretability.

car.test.frame function

This data frame contains the following columns:
<dl>
<dt><code>Price</code></dt><dd>
a numeric vector giving the list price in US dollars of a standard model
</dd> <dt><code>Country</code></dt><dd>
of origin, a factor with levels
<code>France</code> 
<code>Germany</code> 
<code>Japan</code> 
<code>Japan/USA</code> 
<code>Korea</code> 
<code>Mexico</code> 
<code>Sweden</code> 
<code>USA</code> 
</dd> <dt><code>Reliability</code></dt><dd>
a numeric vector coded <code>1</code> to <code>5</code>.
</dd> <dt><code>Mileage</code></dt><dd>
fuel consumption miles per US gallon, as tested. 
</dd> <dt><code>Type</code></dt><dd>
a factor with levels
<code>Compact</code> 
<code>Large</code> 
<code>Medium</code> 
<code>Small</code> 
<code>Sporty</code> 
<code>Van</code> 
</dd> <dt><code>Weight</code></dt><dd>
kerb weight in pounds.
</dd> <dt><code>Disp.</code></dt><dd>
the engine capacity (displacement) in litres.
</dd> <dt><code>HP</code></dt><dd>
the net horsepower of the vehicle.
</dd> </dl>

Format

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.

car.test.frame: Automobile Data from 'Consumer Reports' 1990

Description

Usage

Arguments

Format

Source

See Also

Examples