

poisons(boot)                                R Documentation

_A_n_i_m_a_l _S_u_r_v_i_v_a_l _T_i_m_e_s

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

    time: The survival time of the animal in units of 10
          hours.

  poison: A factor with levels `1', `2' and `3' giving the
          type of poison used.

   treat: A factor with levels `A', `B', `C' and `D' giving
          the treatment.

_S_U_M_M_A_R_Y_:

     The `poisons' data frame has 48 rows and 3 columns.

     The data form a 3x4 factorial experiment, the factors
     being three poisons and four treatments.  Each combina-
     tion of the two factors was used for four animals, the
     allocation to animals having been completely random-
     ized.

_D_A_T_A _D_E_S_C_R_I_P_T_I_O_N_:

     This data frame contains the following columns:

_S_O_U_R_C_E_:

     The data were obtained from

     Box, G.E.P. and Cox, D.R. (1964) An analysis of trans-
     formations (with Discussion).
      Journal of the Royal Statistical Society, B, 26,
     211-252.

_O_T_H_E_R _R_E_F_E_R_E_N_C_E_S_:

     Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Meth-
     ods and Their Application. Cambridge University Press.

