ovarian package:survival R Documentation _O_v_a_r_i_a_n _c_a_n_c_e_r _s_u_r_v_i_v_a_l _d_a_t_a _D_e_s_c_r_i_p_t_i_o_n: Survival in a randomised trial comparing two treatments for ovarian cancer (? from an Eastern Cooperative Oncology Group study) _U_s_a_g_e: data(ovarian) _F_o_r_m_a_t: 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) _S_o_u_r_c_e: Terry Therneau _R_e_f_e_r_e_n_c_e_s: for ECOG performance status: