chatcat                 package:ade4                 R Documentation

_Q_u_a_l_i_t_a_t_i_v_e _W_e_i_g_h_t_e_d _V_a_r_i_a_b_l_e_s

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

     This data set gives the age, the fecundity and the number of
     litters for 26 groups of cats.

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

     data(chatcat)

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

     'chatcat' is a list of two objects :

     _t_a_b is a data frame with 3 factors (age, feco, nport). 

     _e_f_f is a vector of numbers. 

_D_e_t_a_i_l_s:

     One row of 'tab' corresponds to one group of cats.
      The value in 'eff' is the number of cats in this group.

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

     Pontier, D. (1984) _Contribution  la biologie et  la gntique
     des populations de chats domestiques (Felis catus)._ Thse de 3me
     cycle. Universit Lyon 1, p. 67.

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

     data(chatcat)
     summary(chatcat$tab)
     w <- acm.disjonctif(chatcat$tab) #  Disjonctive table
     names(w) <- c(paste("A", 1:5, sep = ""), paste("B", 1:5, sep = ""), 
         paste("C", 1:2, sep = ""))
     w <- t(w*chatcat$num)
     w <- data.frame(w)
     w # BURT table

