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).
Usage
data(prostate)
Arguments
Format
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
References
Collett, D. (2003)
Modeling survival data in medical research
CRC press.