German breast cancer data from Stata.
data(brcancer)
A data frame with 686 observations on the following 15 variables.
ida numeric vector
hormonhormonal therapy
x1age, years
x2menopausal status
x3tumour size, mm
x4tumour grade
x5number of positive nodes
x6progesterone receptor, fmol
x7estrogen receptor, fmol
rectimerecurrence free survival time, days
censreccensoring indicator
x4atumour grade>=2
x4btumour grade==3
x5eexp(-0.12*x5)
data(brcancer) ## maybe str(brcancer) ; plot(brcancer) ...
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