How to access the variable range for leaf node in decision tree

Question

Nirmal 2012-7-5

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https://ww2.mathworks.cn/matlabcentral/answers/42840-how-to-access-the-variable-range-for-leaf-node-in-decision-tree

评论： Vasileios Sevetlidis 2015-9-26

I want to access the variable range for each of the leaf node for the decision tree that is created by using classregtree. I can see the variable range in the figure generated by view(), but I want to access the range from the code.

Thank you!

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Answer 1

Nirmal 2012-7-5

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https://ww2.mathworks.cn/matlabcentral/answers/42840-how-to-access-the-variable-range-for-leaf-node-in-decision-tree#answer_52675

Had to do little bit of coding but got it anyway. :)

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Greg 2015-3-4

Would you be able to provide your code, or at least explain the approach? I would also like to obtain the samples at each node.

Thank you,

Greg

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Answer 2

Madhur 2015-1-13

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https://ww2.mathworks.cn/matlabcentral/answers/42840-how-to-access-the-variable-range-for-leaf-node-in-decision-tree#answer_164792

I am trying to access the indices of samples in the training data which belong to a particular leaf node in the tree. I suspect these two problems might be related. Can you shed some light on how did you obtain the variable range for leaf nodes using code ?

Thanks Madhur