piPlot              package:MiscPsycho              R Documentation

_P_e_r_s_o_n _I_t_e_m _P_l_o_t

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

     Plot the density of items and persons together

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

     piPlot(dat, params)

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

     dat: Data frame or matrix containing item responses

  params: Item parameters

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

     Harold C. Doran

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

