

caith(MASS)                                  R Documentation

_C_o_l_o_u_r_s _o_f _E_y_e_s _a_n_d _H_a_i_r _o_f _P_e_o_p_l_e _i_n _C_a_i_t_h_n_e_s_s

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

     Data on the cross-classification of people in Caith-
     ness, Scotland, by eye and hair colour. The region of
     the UK is particularly interesting as there is a mix-
     ture of people of Nordic, Celtic and Anglo-Saxon ori-
     gin.

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

     A 4 by 5 table with rows the eye colours (blue, light,
     medium, dark) and columns the hair colours (fair, red,
     medium, dark, black).

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

     Fisher, R.A. (1940) The precision of discriminant func-
     tions.  Annals of Eugenics (London) 10, 422-429.

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

     data(caith)
     corresp(caith)
     dimnames(caith)[[2]] <- c("F", "R", "M", "D", "B")
     par(mfcol=c(1,3))
     library(mva)
     plot(corresp(caith, nf=2)); title("symmetric")
     plot(corresp(caith, nf=2), type="rows"); title("rows")
     plot(corresp(caith, nf=2), type="col"); title("columns")
     par(mfrow=c(1,1))

