lung.cancer package:SMPracticals R Documentation
Lung Cancer Deaths among UK Physicians
Description:
The data give the number of deaths due to lung cancer in British
male physicians, as a function of years of smoking and cigarette
consumption.
Usage:
data(smoking)
Format:
A data frame with 63 observations on the following 4 variables.
'duration' a factor giving the number of years smoking;
'consumption' a factor giving cigarette consumption;
'time' man-years at risk;
'deaths' number of deaths.
Source:
Frome, E. L. (1983). The analysis of rates using Poisson
regression models. _Biometrics_, *39*, 665-674.
References:
Davison, A. C. (2003) _Statistical Models_. Cambridge University
Press. Page 8.
Examples:
data(smoking)