cervical {GLMsData}

Deaths from cervical cancer

Description

The number of deaths from cervical cancer in four countries

Usage

data(cervical)

Format

A data frame with 16 observations on the following 4 variables.

Country

the country; a factor with levels EngWales (England and Wales), Belgium, France and Italy

Age

the age group; a factor with levels 25to34, 35to44, 45to54, 55to64

Deaths

the number of deaths; a numeric vector

Wyears

the woman-years of risk; a numeric vector

Details

The data give the number of deaths from cervical cancer, and the woman-years of risk, for various age groups and four countries.

Source

A. S. Whittermore and G. Gong (1991) Poisson regression with misclassified counts: Applications to cervical cancer mortality rates. Applied Statistics, 40(1), 81–93.

Examples

data(cervical)
with( cervical, plot(Deaths/Wyears ~ Age) )