prostate | R Documentation |
Under investigation in this clinical trial was the pharmaceutical agent diethylstilbestrol DES; subjects were assigned treatment to 1.0 mg DES (treatment = 2) or to placebo (treatment = 1).
data(prostate)
A data frame with 38 observations on the following 8 variables.
patient
a numeric vector
treatment
a numeric vector
time
a numeric vector
status
a numeric vector
age
a numeric vector
shb
a numeric vector
size
a numeric vector
index
a numeric vector
http://www.crcpress.com/product/isbn/9781584883258
Collett, D. (2003) Modeling survival data in medical research CRC press.
data(prostate)
boxplot(size~treatment,data=prostate)
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