heart                  package:MASS                  R Documentation

_T_h_e _S_t_a_n_f_o_r_d _h_e_a_r_t _t_r_a_n_s_p_l_a_n_t _d_a_t_a

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

     The Stanford heart transplant data from Kalbfleisch & Prentice.

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

     A data frame with columns:

     `_s_t_a_r_t' start time in days. Either 0 or time of transplant.

     `_t_r_a_n_s_p_l_a_n_t' is this before (0) or after (1) transplantation?

     `_s_t_o_p' time of transplant or death or censoring (days)

     `_e_v_e_n_t' death (1) or censored (0)

     `_a_g_e' patient's age in years at acceptance, less 48.

     `_y_e_a_r' date of acceptance. Actually days since 1967/10/1 divided
          by 365.25.

     `_s_u_r_g_e_r_y' prior surgery (0 = no, 1 = yes).

     _i_d Patient's ID

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

     Kalbfleisch, J.D. and Prentice R.L. (1980) The Statistical
     Analysis of Failure Time Data.

