OVARIAN (Ovarian Cancer Survival Data) Data: futime fustat age resid.ds rx ecog.ps 1 59 1 72.3315 2 1 1 2 115 1 74.4932 2 1 1 3 156 1 66.4658 2 1 2 4 421 0 53.3644 2 2 1 5 431 1 50.3397 2 1 1 6 448 0 56.4301 1 1 2 7 464 1 56.9370 2 2 2 8 475 1 59.8548 2 2 2 9 477 0 64.1753 2 1 1 10 563 1 55.1781 1 2 2 11 638 1 56.7562 1 1 2 12 744 0 50.1096 1 2 1 13 769 0 59.6301 2 2 2 14 770 0 57.0521 2 2 1 15 803 0 39.2712 1 1 1 16 855 0 43.1233 1 1 2 17 1040 0 38.8932 2 1 2 18 1106 0 44.6000 1 1 1 19 1129 0 53.9068 1 2 1 20 1206 0 44.2055 2 2 1 21 1227 0 59.5890 1 2 2 22 268 1 74.5041 2 1 2 23 329 1 43.1370 2 1 1 24 353 1 63.2192 1 2 2 25 365 1 64.4247 2 2 1 26 377 0 58.3096 1 2 1 Description: Survival in a randomised trial comparing two treatments for ovarian cancer Format: futime: survival or censoring time fustat: censoring status age: in years resid.ds: residual disease present (1=no,2=yes) rx: treatment group ecog.ps: ECOG performance status (1 is better, see reference) Source: Terry Therneau References: Edmunson, J.H., Fleming, T.R., Decker, D.G., Malkasian, G.D., Jefferies, J.A., Webb, M.J., and Kvols, L.K., Different Chemotherapeutic Sensitivities and Host Factors Affecting Prognosis in Advanced Ovarian Carcinoma vs. Minimal Residual Disease. Cancer Treatment Reports, 63:241-47, 1979. for ECOG performance status: http://ecog.org/general/perf_stat.html Model the surviving.