compute_SIGMA             package:grnnR             R Documentation

_C_o_m_p_u_t_e _G_a_u_s_s_i_a_n _S_p_r_e_a_d

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

     compute an empirical spread value using a convex hull measure on
     the center vector set

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

     compute_SIGMA(C)

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

       C: matrix of center vectors

_D_e_t_a_i_l_s:

     a call is made to this function during training for SIGMA flag=1,
     else traininguses the spread value in SIGMA inp

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

  SIGMA:: Gaussian spread

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

     Arnold Arrington

