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Survival times (in days) for undergoing standard treatment (S) and a new treatment (N).
data("cancertrt")
A data frame with 17 observations on the following 3 variables.
time
Survival time in days
event
Indicator for event
trt
a factor with levels N S
N
S
Higgins (2004), Introduction to Modern Nonparametric Statistics, Pacific Grove, CA:Brooks/Cole--Thomson Learning
data(cancertrt) with(cancertrt,gehan.test(time,event,trt))
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