www.gusucode.com > stats 源码程序 matlab案例代码 > stats/PruneADecisionTreeExample.m
%% Prune a Decision Tree %% % Display the full tree for Fisher's iris data: % Copyright 2015 The MathWorks, Inc. load fisheriris; t1 = classregtree(meas,species,... 'names',{'SL' 'SW' 'PL' 'PW'},... 'minparent',5) view(t1) %% % Display the next largest tree from the optimal pruning sequence: t2 = prune(t1,'level',1) view(t2)