Usage Format Source References Examples
1 | data("pbt01")
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A data frame with 184 observations on the following 6 variables.
survival
Follow-up time from randomization, in months
died
Indicator of death at the end of follow=up; 0 = alive, 1 = died
treatment
A factor with two levels, "control", "treatment"
progression
Indicator for disease progression; 0 = no progression, 1 = progression
time.to.progression
time from randomization to either disease progresson/death or end of follow-up
cancelled.after.rando
Factor for starting assignment; levels "no", "yes".
cycle.of.resp
Factor for cycle of initial chemotherapy needed for complete response; levels = "cycle.1", "cycle.2".
Data used by permission of the ECOG-ACRIN Coordinating Center
Data from the trial reported in Stadtmauer, E.A., O'Neill, A., Goldstein, L.J., Crilley, P.A., Mangan, K.F., Ingle, J.N., Brodsky, I., Martino, S., Lazarus, H.M., Erban, J.K. and Sickles, C., 2000. Conventional-dose chemotherapy compared with high-dose chemotherapy plus autologous hematopoietic stem-cell transplantation for metastatic breast cancer. New England Journal of Medicine, 342(15), pp.1069-1076.
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