treesize

本程序是基于linux系统下c++代码

treesize            package:randomForest            R Documentation

_S_i_z_e _o_f _t_r_e_e_s _i_n _a_n _e_n_s_e_m_b_l_e

_D_e_s_c_r_i_p_t_i_o_n:

     Size of trees (number of nodes) in and ensemble.

_U_s_a_g_e:

     treesize(x, terminal=TRUE)

_A_r_g_u_m_e_n_t_s:

       x: an object of class 'randomForest', which contains a 'forest'
          component.

terminal: count terminal nodes only ('TRUE') or all nodes ('FALSE'

_V_a_l_u_e:

     A vector containing number of nodes for the trees in the
     'randomForest' object.

_N_o_t_e:

     The 'randomForest' object must contain the 'forest' component;
     i.e., created with 'randomForest(..., keep.forest=TRUE)'.

_A_u_t_h_o_r(_s):

     Andy Liaw [e-mail]

_S_e_e _A_l_s_o:

     'randomForest'

_E_x_a_m_p_l_e_s:

     data(iris)
     iris.rf <- randomForest(Species ~ ., iris)
     hist(treesize(iris.rf))