www.gusucode.com > stats 源码程序 matlab案例代码 > stats/PosteriorProbabilityDefinitionForClassificationTreeExample.m
%% Posterior Probability Definition for Classification Tree %% Generate 100 random points % Copyright 2015 The MathWorks, Inc. rng(0) % For reproducibility X = rand(100,1); Y = (abs(X - .55) > .4); tree = fitctree(X,Y); view(tree,'Mode','graph') %% Prune the tree tree1 = prune(tree,'Level',1); view(tree1,'Mode','graph') %% Compute the prediction scores [~,score] = predict(tree1,X(1:10)); [score X(1:10,:)]