YX_Friend             package:eigenmodel             R Documentation

_S_e_x, _r_a_c_e _a_n_d _f_r_i_e_n_d_s_h_i_p _d_a_t_a _f_r_o_m _a _1_2_t_h _g_r_a_d_e _c_l_a_s_s_r_o_o_m

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

     A list in which 'Y' encodes the presence of a friendship tie 
     between 90 12th graders. The array 'X' indicates pairs of the 
     same sex and of the same race.

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

     data(YX_Friend)

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

     http://www.cpc.unc.edu/projects/addhealth/design

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

     data(YX_Friend)

