Description Usage Format Details Source References Examples
This database corresponds to the time of recurrence of tumors of 85 patients with bladder cancer. Patients were randomly assigned to treatments: placebo (47 patients) and thiotepa (38 patients). Data type data.frame with 217 observations on 8 variables.
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This data frame contains the following columns:
j : Observation number
id : ID of each unit. Repeated for each recurrence
Tinicio: Inicial time
time : recurrence o censoring time
event : censoring status.
strata : Number of strata
trt : Factor w/ 2 levels "Placebo","Thiotepa"
group : a factor with levels. Group identificator.
Experiment Byar (1980). The database Byar experiment is used and the time (months) of recurrence of tumors in 116 sick patients with superficial bladder cancer is measured. These patients were randomly allocated to the following treatments: placebo (47 patients), pyridoxine (31 patients) and thiotepa (38 patients).
Andrews D., Herzberg A., (1985). "Data. A collections of problems from many fields for the student and reserarch worker", Springer series in statistics, Springer-Verlag, USA
Mart<ed>nez C., Ram<ed>rez, G., V<e1>squez M. (2009).Pruebas no param<e9>tricas para comparar curvas de supervivencia de dos grupos que experimentan eventos recurrentes. Propuestas. Revista Ingenier<ed>a U.C.,Vol 16, 3, 45-55. Pe<f1>a E., Strawderman R., Hollander, M. (2001). Nonparametric Estimation with Recurrent Event Data. J.A.S.A. 96, 1299-1315.
1 2 3 4 5 | data(TBCplathi)
XL<-data.frame(TBCplathi)
print(XL)
Print.Summary(TBCplathi)
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