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.

_U_s_a_g_e:

     VA

_F_o_r_m_a_t:

     A data frame with columns:

     '_s_t_i_m_e' survival or follow-up time in days.

     '_s_t_a_t_u_s' dead or censored.

     '_t_r_e_a_t' standard or test

     '_a_g_e' patient's age in years

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

     '_d_i_a_g._t_i_m_e' times since diagnosis in months at entry to trial.

     '_c_e_l_l' one of four cell types.

     '_p_r_i_o_r' prior therapy?

_S_o_u_r_c_e:

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

_R_e_f_e_r_e_n_c_e_s:

     Venables, W. N. and Ripley, B. D. (2002) _Modern Applied
     Statistics with S._ Fourth edition.  Springer.

