A simulated data set with stratification and delayed treatment effect:
iterationNumberThe iteration number
arrivalTimeThe enrollment time for the subject
stratumThe stratum for the subject
treatmentGroupThe treatment group for the subject
timeUnderObservationThe time under observation since randomization
eventWhether the subject experienced the event
dropoutEventWhether the subject dropped out
rawdataAn object of class data.frame with 4910 rows and 7 columns.