GBSG {mfp} | R Documentation |
A data frame containing the observations from the GBSG study.
data(GBSG)
This data frame contains the observations of 686 women:
0
(no) and 1
(yes).1
(premenopausal) and 2
(postmenopausal).1 < 2 < 3
.0
censored, 1
event).M. Schumacher, G. Basert, H. Bojar, K. Huebner, M. Olschewski, W. Sauerbrei, C. Schmoor, C. Beyerle, R.L.A. Neumann and H.F. Rauschecker for the German Breast Cancer Study Group (1994). Randomized 2 times 2 trial evaluating hormonal treatment and the duration of chemotherapy in node-positive breast cancer patients. Journal of Clinical Oncology, 12, 2086–2093.
W. Sauerbrei and P. Royston (1999). Building multivariable prognostic and diagnostic models: transformation of the predictors by using fractional polynomials. Journal of the Royal Statistics Society Series A, Volume 162(1), 71–94.
data(GBSG) mfp(Surv(rfst, cens) ~ fp(age, df = 2, select = 0.05) + fp(prm, df = 4, select = 0.05), family = cox, data = GBSG)