Butterfly                package:vcd                R Documentation

_B_u_t_t_e_r_f_l_y _S_p_e_c_i_e_s _i_n _M_a_l_a_y_a

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

     Data from Fisher et al. (1943) giving the number of tokens found
     for each of 501 species of butterflies collected in Malaya.

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

     data(Butterfly)

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

     A 1-way table giving the number of tokens for 501 species of
     butterflies. The variable and its levels are

       No  Name     Levels
        1  nTokens  0, 1, ..., 24

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

     Michael Friendly (2000), Visualizing Categorical Data, pages
     21-22.

_R_e_f_e_r_e_n_c_e_s:

     R. A. Fisher, A. S. Corbet, C. B. Williams (1943), The relation
     between the number of species and the number of individuals,
     _Journal of Animal Ecology_, *12*, 42-58.

     M. Friendly (2000), _Visualizing Categorical Data_. SAS Institute,
     Cary, NC.

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

     data(Butterfly)
     Ord_plot(Butterfly)

