fwdmvPrePlot             package:Rfwdmv             R Documentation

_P_a_i_r_s _P_l_o_t _i_n _R_f_w_d_m_v

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

     This function produces a pairs plot with sumperimposed contours.

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

     fwdmvPrePlot(X, panel = panel.be, plot.diagonal = TRUE)

_A_r_g_u_m_e_n_t_s:

       X: a matrix or data frame.

   panel: a function for computing the contours.  The Rfwdmv package
          includes 'panel.be' for bivariate ellipses, 'panel.me' for
          median centered bivariate ellipses, and 'panel.bb' for
          bivariate box plots.

plot.diagonal: a logical value.  If 'TRUE' then univariate boxplots are
          drawn along the diagonal.

_V_a_l_u_e:

     an empty list is invisibly returned.

_N_o_t_e:

     The bivariate boxplots calculated from B-splines provide a useful
     tool for a preliminary examination of the data.  The non
     elliptical shape of the countours is an indication or non
     normality.

_A_u_t_h_o_r(_s):

     Kjell Konis

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

     Atkinson, A. C., Riani, M. and Cerioli, A. (2004) Exploring
     Multivariate Data with the Forward Search. Springer-Verlag New
     York.

_S_e_e _A_l_s_o:

     'panel.be', 'panel.me', 'panel.bb'

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

     data(heads.dat)

     fwdmvPrePlot(heads.dat, panel = panel.be)
     fwdmvPrePlot(heads.dat, panel = panel.me)
     fwdmvPrePlot(heads.dat, panel = panel.bb)

