VA                   package:MASS                   R Documentation

_V_e_t_e_r_a_n'_s _A_d_m_i_n_i_s_t_r_a_t_i_o_n _l_u_n_g _c_a_n_c_e_r _t_r_i_a_l.

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

     Veteran's Administration lung cancer trial from Kalbfleisch &
     Prentice. A data frame.

_A_r_g_u_m_e_n_t_s:

   stime: survival or follow-up time in days. 

  status: dead or censored. 

   treat: standard or test 

     age: patient's age in years 

    Karn: Karnofsky score of patient's performance on a scale of 0 to
          100. 

diag.time: times since diagnosis in months at entry to trial. 

    cell: one of four cell types. 

   prior: prior therapy? 

_D_e_t_a_i_l_s:

     The components are:

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

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

