Relative Survival Data
Survival of patients with colon and rectal cancer diagnosed in 1994-2000.
data(colrec)
A data frame with 5971 observations on the following 7 variables:
sex (1=male, 2=female).
age (in days).
date of diagnosis (in date format).
survival time (in days).
censoring indicator (0=censoring, 1=death).
cancer stage. Values 1-3, code 99 stands for unknown.
cancer site.
Provided by Slovene Cancer Registry. The age, time and diag variables are randomly perturbed to make the identification of patients impossible.
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