xyplot2                package:assist                R Documentation

_E_x_t_e_n_s_i_o_n _o_f _X_Y_P_L_O_T

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

     Extend 'xyplot' to superpose one or more symbols to each panel.

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

     xyplot2(formula, data, type = "l", ...)

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

 formula: a two-sided formula as accepted in 'xyplot'

    data: a list of data frames. Each component shall be able to
          evaluate the vatiables appearing in 'formula'

    type: a vector of characters to indicate what type of plots are to
          draw. Default is line.

     ...: any options as accepted in 'xyplot'

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

     On each panel, several plot types, the length of 'data', are
     superposed.

