con2tr                 package:MASS                 R Documentation

_C_o_n_v_e_r_t _L_i_s_t_s _t_o _D_a_t_a _F_r_a_m_e_s _f_o_r _u_s_e _b_y _L_a_t_t_i_c_e

_D_e_s_c_r_i_p_t_i_o_n:

     Convert lists to data frames for use by lattice.

_U_s_a_g_e:

     con2tr(obj)

_A_r_g_u_m_e_n_t_s:

     obj: A list of components 'x', 'y' and 'z' as passed to 'contour'. 

_D_e_t_a_i_l_s:

     'con2tr' repeats the 'x' and 'y' components suitably to match the
     vector 'z'.

_V_a_l_u_e:

     A data frame suitable for passing to lattice (formerly trellis)
     functions.

_R_e_f_e_r_e_n_c_e_s:

     Venables, W. N. and Ripley, B. D. (2002) _Modern Applied
     Statistics with S._ Fourth edition.  Springer.