numNoEdges               package:graph               R Documentation

_C_a_l_c_u_l_a_t_e _t_h_e _n_u_m_b_e_r _o_f _n_o_d_e_s _t_h_a_t _h_a_v_e _a_n _e_d_g_e _l_i_s_t _o_f _N_U_L_L

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

     'numNoEdges' calculates the number of nodes that have an edge list
     of NULL (i.e. no edges).

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

     numNoEdges(objGraph)

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

objGraph: the graph object 

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

     An integer representing the number of NULL edge lists in the
     graph.

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

     Elizabeth Whalen

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

     'numEdges', 'aveNumEdges',  'mostEdges'

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

       set.seed(999)
       g1 <- randomEGraph(letters, .01)
       numNoEdges(g1)

