random forest algorithm classifier

In this code we show you how to run random forest algorithm classifier in MATLAB :

Code:

TreeObject=TreeBagger(50,TrainData,class,'method ','classification','NVarToSample','all');
 

First parameter is the number of decision tree to use , TrainData is the training data vector , class is the label for each vector, method parameter is used to differ between regression and classification training. NVarToSample used to set the algorithm to "random forest" .

Now after training , how to use this object for classification :

Code:

[YFIT,scores] = predict(TreeObject,TestVector)

YFIT : label the high fitted class label.
scores : contain the score for each label .

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M. S. Rakha, Ph.D.
Queen's University
Canada

Author: DrRakha
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