gastric                 package:gss                 R Documentation

_G_a_s_t_r_i_c _C_a_n_c_e_r _D_a_t_a

_D_e_s_c_r_i_p_t_i_o_n:

     Survival of gastric cancer patients under chemotherapy and
     chemotherapy-radiotherapy combination.

_U_s_a_g_e:

     data(gastric)

_F_o_r_m_a_t:

     A data frame containing 90 observations on the following
     variables.

       'futime'  Follow-up time, in days.
       'status'  Censoring status.
       'trt'     Factor indicating the treatments: 1 - chemothrapy, 2 - combination.

_S_o_u_r_c_e:

     Moreau, T., O'Quigley, J., and Mesbah, M. (1985), A global
     goodness-of-fit statistic for the proportional hazards model.
     _Applied Statistics_, *34*, 212-218.

