
The file  gives the number of men diagnosed as having
coronary heart disease (CHD) in an American study of 1329 men (the
data are presented and analysed in Ku and Kullback, 1974).  The serum
cholesterol level  and blood pressure  in mm mercury
were recorded for each man, and are reported in one of four
categories, giving a 4X4 cross-classified in each cell of
which the number  of men with CHD and the total number
of men examined are given.

datasets

This package accompanies Aitkin et al, Statistical
Modelling in R, OUP, 2009. The package contains some functions
and datasets used in the text.

Ross Darnell

SMIR

Companion to Statistical Modelling in R

chd function

A data.frame of 16 obs. of 4 variables:
  <table><tr><td>
    [,1] </td>
<td> chol </td>
</tr><tr><td> Factor w/ 4 levels "<200","200-219",...< td="">
<td>
    [,2] </td>
</200","200-219",...<></td></tr><tr><td> bp </td>
<td> Factor w/ 4 levels "<127","127-146",...< td="">
</127","127-146",...<></td></tr><tr><td>
    [,3] </td>
<td> r </td>
</tr><tr><td> integer, number of men with CHD</td>
<td>
    [,4] </td>
</tr><tr><td> t </td>
<td> integer, total number of men in study</td>
</tr></table>

Format

Ku, H.H. and Kullback, S. (1974),
    "Loglinear models in contingency table analysis",
     <em>The American Statistician</em>, <b>28</b>, 115--22.

chd: Coronary heart disease

Description

Usage

Arguments

Format

Source

[,1]	chol
Factor w/ 4 levels "<200","200-219",...< td="">	[,2]
bp	Factor w/ 4 levels "<127","127-146",...< td="">
[,3]	r
integer, number of men with CHD	[,4]
t	integer, total number of men in study