specc-class             package:kernlab             R Documentation

_C_l_a_s_s "_s_p_e_c_c"

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

     The Spectral Clustering Class

_O_b_j_e_c_t_s _f_r_o_m _t_h_e _C_l_a_s_s:

     Objects can be created by calls of the form 'new("specc", ...)'.
     or by calling the function 'specc'.

_S_l_o_t_s:

     '_c_e_n_t_e_r_s': Object of class '"matrix"' containing the cluser
          centers

     '_s_i_z_e': Object of class '"vector"' containing the number of points
          in each  cluster

     '_w_i_t_h_i_n_s_s': Object of class '"vector"' containing the
          within-cluster sum of squares for each cluster

     '_k_e_r_n_e_l_f' Object of class 'kernel' containing the used kernel
          function.

_M_e_t_h_o_d_s:

     _c_e_n_t_e_r_s 'signature(object = "specc")': returns the cluster centers

     _w_i_t_h_i_n_s_s 'signature(object = "specc")': returns the within-cluster
          sum of squares for each cluster

     _s_i_z_e 'signature(object = "specc")': returns the number of points
          in each cluster 

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

     Alexandros Karatzoglou
      alexandros.karatzoglou@ci.tuwien.ac.at

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

     'specc',  'kpca-class'

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

     ## Cluster the spirals data set.
     data(spirals)

     sc <- specc(spirals, centers=2)

     centers(sc)
     size(sc)

