corvus                 package:ade4                 R Documentation

_C_o_r_v_u_s _m_o_r_p_h_o_l_o_g_y

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

     This data set gives a morphological description of 28 species of
     the genus Corvus split in two habitat types and phylogeographic
     stocks.

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

     data(corvus)

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

     'corvus' is data frame with 28 observations (the species) and 4
     variables : 

_w_i_n_g : wing length (cm)

_b_i_l_l : bill length (cm)

_h_a_b_i_t_a_t : habitat with two levels 'clos' and 'open'

_p_h_y_l_o_g : phylogeographic stock with three levels 'amer'(America),
     'orien'(Oriental-Australian), 'pale'(Paleoarctic-African)

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

     Laiolo, P. and Rolando, A. (2003) The evolution of vocalisations
     in the genus Corvus: effects of phylogeny, morphology and habitat.
      _Evolutionary Ecology_, *17*, 111-123.

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

     data(corvus)
     plot(corvus[,1:2])
     s.class(corvus[,1:2], corvus[,4]:corvus[,3], add.p = TRUE)

