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%% Viewing a Classification or Regression Tree % This example shows how to view a classification or a regression tree. % There are two ways to view a tree: |view(tree)| returns a text % description and |view(tree,'mode','graph')| returns a graphic description % of the tree. %% % Create and view a classification tree. % Copyright 2015 The MathWorks, Inc. load fisheriris % load the sample data ctree = fitctree(meas,species); % create classification tree view(ctree) % text description %% view(ctree,'mode','graph') % graphic description %% % Now, create and view a regression tree. load carsmall % load the sample data, contains Horsepower, Weight, MPG X = [Horsepower Weight]; rtree = fitrtree(X,MPG,'MinParent',30); % create classification tree view(rtree) % text description %% view(rtree,'mode','graph') % graphic description