Burt

The <code>Burt</code> data frame has 27 rows and 4 columns.
The ``data'' were simply (and notoriously) manufactured. The
same data are in the dataset ``twins" in the <code>alr3</code>
package, but with different labels.

datasets


Datasets to Accompany J. Fox and S. Weisberg,
An R Companion to Applied Regression, Third Edition, Sage (2019).

John Fox

carData

Companion to Applied Regression Data Sets

Sanford Weisberg

Brad Price

Burt function

This data frame contains the following columns:<dl class="dl-horizontal">
 <dt>IQbio</dt><dd>IQ of twin raised by biological parents</dd>
 <dt>IQfoster</dt><dd>IQ of twin raised by foster parents</dd>
 <dt>class</dt><dd>A factor with levels (note: out of order):
 <code>high</code>;
 <code>low</code>;
 <code>medium</code>.</dd>
 </dl>

Format

Fraudulent Data on IQs of Twins Raised Apart — Burt

This data frame contains the following columns:<dl class='dl-horizontal'>
 <dt>IQbio</dt><dd>IQ of twin raised by biological parents</dd>
 <dt>IQfoster</dt><dd>IQ of twin raised by foster parents</dd>
 <dt>class</dt><dd>A factor with levels (note: out of order):
 <code>high</code>;
 <code>low</code>;
 <code>medium</code>.</dd>
 </dl>

Burt: Fraudulent Data on IQs of Twins Raised Apart

Description

Usage

Arguments

Format