Can I use TreeBagger (regression) with five outputs

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Majd 2021-7-28

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https://ww2.mathworks.cn/matlabcentral/answers/887349-can-i-use-treebagger-regression-with-five-outputs

编辑： Sahil Jain 2021-8-12

I have data consists of 2 input variables and 5 output variables both inputs and outputs has 65 rows. I need to use Random Forest (TreeBagger-regression) but I got error since I have multiple outputs. Any one has any recommendations. Thanks.

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Answer 1

Sahil Jain 2021-8-12

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https://ww2.mathworks.cn/matlabcentral/answers/887349-can-i-use-treebagger-regression-with-five-outputs#answer_765652

编辑：Sahil Jain 2021-8-12

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Hi. "TreeBagger" currently does not support multiple outputs. As a workaround, a different random forest can be made for each output variable using the following code:

% Input/Predictor
X = rand(65,2);
% Output/Response
Y = rand(65,5);
% Create bag of decision trees of all output
numTrees = 10;
B1 = TreeBagger(numTrees,X,Y(:,1));
B2 = TreeBagger(numTrees,X,Y(:,2));
B3 = TreeBagger(numTrees,X,Y(:,3));
B4 = TreeBagger(numTrees,X,Y(:,4));
B5 = TreeBagger(numTrees,X,Y(:,5));