chd: Coronary heart disease

In SMIR: Companion to Statistical Modelling in R

Description

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.

Usage

data(chd)

Format

A data.frame of 16 obs. of 4 variables:

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

Note

See p.248 in SMIR

Source

Ku, H.H. and Kullback, S. (1974), "Loglinear models in contingency table analysis", The American Statistician, 28, 115–22.

SMIR documentation built on May 29, 2017, 10:39 a.m.