The melanoma data from the Eastern Cooperative Oncology Group (ECOG) phase III clinical trial e1684 which is used for modeling semicure PH mixture cure model (Kirkwood, et al., 1996)
data(e1684)There were 284 patients in this study with the following 5 variables.
TRT0=control group, 1=IFN treatment group
FAILTIMEobserved relapse-free time
FAILCENScensoring indicator, 1=event of interest happens, and 0=censoring
AGEcontinuous variable, which is centered to the mean
SEX0 for male, 1 for female