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Number of testiscancer cases and male person-years in the Danish population 1943--1996
data(testisDK)
A data frame with 4860 observations on the following 4 variables.
A
Age class, 0,1,2,...,89
P
Year, 1943,...,1996
D
Number of testis cancer cases
Y
Person years
data(testisDK) head(testisDK)
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