avimedi                 package:ade4                 R Documentation

_F_a_u_n_a _T_a_b_l_e _f_o_r _C_o_n_s_t_r_a_i_n_e_d _O_r_d_i_n_a_t_i_o_n_s

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

     'avimedi' is a list containing the informations about 302 sites : 
      frequencies of 51 bird species ; two factors (habitats and
     Mediterranean origin).

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

     data(avimedi)

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

     This list contains the following objects:

     _f_a_u is a data frame 302 sites - 51 species. 

     _p_l_a_n is a data frame 302 sites - 2 factors. 

     _n_o_m_e_s_p is a vector 51 latin names. 

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

     Blondel, J., Chessel, D., & Frochot, B. (1988) Bird species
     impoverishment, niche expansion, and density inflation in
     mediterranean island habitats. _Ecology_, *69*, 1899-1917.

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

     ## Not run: 
     data(avimedi)
     par(mfrow = c(2,2))
     coa1 <- dudi.coa(avimedi$fau, scan = FALSE, nf = 3)
     s.class(coa1$li,avimedi$plan$str:avimedi$plan$reg,
         sub = "Correspondences Analysis")
     bet1 <- between(coa1, avimedi$plan$str, scan = FALSE)
     s.class(bet1$ls, avimedi$plan$str,
         sub = "Between Analysis")
     wit1 <- within(coa1, avimedi$plan$reg, scan=FALSE)
     s.class(wit1$li, avimedi$plan$str,
         sub = "Within Analysis")
     pcaiv1 <- pcaiv(coa1, avimedi$plan, scan = FALSE)
     s.match(pcaiv1$li, pcaiv1$ls, clab = 0,
         sub = "Canonical Correspondences Analysis")
     s.class(pcaiv1$li, avimedi$plan$str:avimedi$plan$reg, 
         add.plot = TRUE)
     par(mfrow=c(1,1))
     ## End(Not run)

