gastric {surv2sample} | R Documentation |
Survival data from a trial comparing chemotherapy versus combined chemotherapy plus radiotherapy in the treatment of gastric cancer.
data(gastric)
A data frame with 90 observations (45 in each treatment group) with the following 3 variables:
time
event
treatment
Stablein, D. M. and Koutrouvelis, I. A. (1985) A two-sample test sensitive to crossing hazards in uncensored and singly censored data. Biometrics 41, 643–652. (Page 649)
data(gastric) plot(survfit(Surv(time, event) ~ treatment, data = gastric))