amlxray

A matched case control study carried out to investigate the connection
between X-ray usage and acute myeloid leukemia in childhood. The pairs are
matched by age, race and county of residence.

datasets

Books are "Linear Models with R" published 1st Ed. August 2004, 2nd Ed. July 2014 by CRC press, ISBN 9781439887332, and "Extending the Linear Model with R" published by CRC press in 1st Ed. December 2005 and 2nd Ed. March 2016, ISBN 9781584884248 and "Practical Regression and ANOVA in R" contributed documentation on CRAN (now very dated).

Julian Faraway

faraway

Functions and Datasets for Books by Julian Faraway

amlxray function

A data frame with 238 observations on the following 11 variables.<dl>
<dt>ID</dt>
<dd>a factor denoting the matched pairs</dd><dt>disease</dt>
<dd>0=control, 1=case</dd>
 <dt>Sex</dt>
<dd><code>F</code> or
<code>M</code></dd>
 <dt>downs</dt>
<dd>Presence of Downs syndrome: <code>no</code> or
<code>yes</code></dd>
 <dt>age</dt>
<dd>Age in years</dd>
 <dt>Mray</dt>
<dd>Did the
mother ever have an Xray: <code>no</code> or <code>yes</code></dd>
 <dt>MupRay</dt>
<dd>Did
the mother have an Xray of the upper body during pregnancy: <code>no</code> or
<code>yes</code></dd>
 <dt>MlowRay</dt>
<dd>Did the mother have an Xray of the lower
body during pregnancy: <code>no</code> or <code>yes</code></dd>
 <dt>Fray</dt>
<dd>Did the
father ever have an Xray: <code>no</code> or <code>yes</code></dd>
 <dt>Cray</dt>
<dd>Did
the child ever have an Xray: <code>no</code> or <code>yes</code></dd><dt>CnRay</dt>
<dd>Total number of Xrays of the child <code>1</code>=none &lt;
<code>2</code>=1 or 2 &lt; <code>3</code>=3 or 4 &lt; <code>4</code>= 5 or more</dd>
 
</dl>

Format

Match pair study for AML and Xray link — amlxray

A data frame with 238 observations on the following 11 variables.<dl>
<dt>ID</dt>
<dd>a factor denoting the matched pairs</dd>

<dt>disease</dt>
<dd>0=control, 1=case</dd>
 <dt>Sex</dt>
<dd><code>F</code> or
<code>M</code></dd>
 <dt>downs</dt>
<dd>Presence of Downs syndrome: <code>no</code> or
<code>yes</code></dd>
 <dt>age</dt>
<dd>Age in years</dd>
 <dt>Mray</dt>
<dd>Did the
mother ever have an Xray: <code>no</code> or <code>yes</code></dd>
 <dt>MupRay</dt>
<dd>Did
the mother have an Xray of the upper body during pregnancy: <code>no</code> or
<code>yes</code></dd>
 <dt>MlowRay</dt>
<dd>Did the mother have an Xray of the lower
body during pregnancy: <code>no</code> or <code>yes</code></dd>
 <dt>Fray</dt>
<dd>Did the
father ever have an Xray: <code>no</code> or <code>yes</code></dd>
 <dt>Cray</dt>
<dd>Did
the child ever have an Xray: <code>no</code> or <code>yes</code></dd>

<dt>CnRay</dt>
<dd>Total number of Xrays of the child <code>1</code>=none &lt;
<code>2</code>=1 or 2 &lt; <code>3</code>=3 or 4 &lt; <code>4</code>= 5 or more</dd>
 
</dl>

amlxray: Match pair study for AML and Xray link

Description

Arguments

Format