poisons                 package:boot                 R Documentation

_A_n_i_m_a_l _S_u_r_v_i_v_a_l _T_i_m_e_s

_D_e_s_c_r_i_p_t_i_o_n:

     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 combination of the two factors
     was used for four animals, the allocation to animals having been
     completely randomized.

_U_s_a_g_e:

     poisons

_F_o_r_m_a_t:

     This data frame contains the following columns:

     '_t_i_m_e' The survival time of the animal in units of 10 hours.

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

     '_t_r_e_a_t' A factor with levels 'A', 'B', 'C' and 'D' giving the
          treatment.

_S_o_u_r_c_e:

     The data were obtained from

     Box, G.E.P. and Cox, D.R. (1964) An analysis of transformations
     (with Discussion).  _ Journal of the Royal Statistical Society,
     B_, *26*, 211-252.

_R_e_f_e_r_e_n_c_e_s:

     Davison, A.C. and Hinkley, D.V. (1997)  _Bootstrap Methods and
     Their Application_. Cambridge University Press.