mastectomy               package:HSAUR               R Documentation

_S_u_r_v_i_v_a_l _T_i_m_e_s _a_f_t_e_r _M_a_s_t_e_c_t_o_m_y _o_f _B_r_e_a_s_t _C_a_n_c_e_r _P_a_t_i_e_n_t_s

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

     Survival times in months after mastectomy of women with breast
     cancer.  The cancers are classified as having metastized or not
     based on a  histochemical marker.

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

     data("mastectomy")

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

     A data frame with 42 observations on the following 3 variables.

     _t_i_m_e survival times in months.

     _e_v_e_n_t a logical indicating if the event was observed ('TRUE') or
          if the survival time was censored ('FALSE').

     _m_e_t_a_s_t_i_z_e_d a factor at levels 'yes' and 'no'.

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

     B. S. Everitt and S. Rabe-Hesketh (2001), _Analysing Medical Data
     using S-PLUS_, Springer, New York, USA.

_E_x_a_m_p_l_e_s:

       data("mastectomy", package = "HSAUR")
       table(mastectomy$metastized)

