lung.cancer {SMPracticals}

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(lung.cancer)

Format

A data frame with 63 observations on the following 4 variables.

years.smok

a factor giving the number of years smoking

cigarettes

a factor giving cigarette consumption

Time

man-years at risk

y

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(lung.cancer)