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The number of deaths from cervical cancer in four countries
data(cervical)
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
EngWales
Belgium
France
Italy
Age
the age group; a factor with levels 25to34, 35to44, 45to54, 55to64
25to34
35to44
45to54
55to64
Deaths
the number of deaths; a numeric vector
Wyears
the woman-years of risk; a numeric vector
The data give the number of deaths from cervical cancer, and the woman-years of risk, for various age groups and four countries.
data(cervical) with( cervical, plot(Deaths/Wyears ~ Age) )
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