brcancer | R Documentation |
See https://www.stata-press.com/data/r11/brcancer.dta.
data(brcancer)
A data frame with 686 observations on the following 15 variables.
id
a numeric vector
hormon
hormonal therapy
x1
age, years
x2
menopausal status
x3
tumour size, mm
x4
tumour grade
x5
number of positive nodes
x6
progesterone receptor, fmol
x7
estrogen receptor, fmol
rectime
recurrence free survival time, days
censrec
censoring indicator
x4a
tumour grade>=2
x4b
tumour grade==3
x5e
exp(-0.12*x5)
data(brcancer)
## maybe str(brcancer) ; plot(brcancer) ...
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