toxicity                package:ade4                R Documentation

_H_o_m_o_g_e_n_e_o_u_s _T_a_b_l_e

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

     This data set gives the toxicity of 7 molecules on 16 targets
     expressed in -log(mol/liter)

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

     data(toxicity)

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

     'toxicity' is a list of 3 components.

     _t_a_b is a data frame with 7 columns and 16 rows

     _s_p_e_c_i_e_s is a vector of the names of the species in the 16 targets

     _c_h_e_m_i_c_a_l_s is a vector of the names of the 7 molecules

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

     Devillers, J., Thioulouse, J. and Karcher W. (1993) Chemometrical
     Evaluation of Multispecies-Multichemical Data by Means  of
     Graphical Techniques Combined with Multivariate Analyses.
     _Ecotoxicology and Environnemental Safety_, *26*, 333-345.

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

     data(toxicity)
     table.paint(toxicity$tab, row.lab = toxicity$species, 
         col.lab = toxicity$chemicals)

     table.value(toxicity$tab, row.lab = toxicity$species, 
         col.lab = toxicity$chemicals)

