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

classregtreedecision treevariable range

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!

Best Answer

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

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MATLAB: Decision tree const. prob.

Depends on what you mean by "code of the tree".

If you want to find classregtree code in your MATLAB install, type 'which classregtree'.

If you want to see pseudo-code for the tree, just display the tree in your command window.

If you want to convert this pseudo-code into a MATLAB script, you'd have to do it yourself. You could start by looking at the DISP method of classregtree (type 'which classregtree/disp'). It's the method that produces the pseudo-code you see in the command window.

MATLAB: Matrix decision

I think you need

y1=14400./d;%estimation
y2=(0.0001759./(d.^2)).*(2-2*cos(9046./d));

but I see this gives a very big difference between y1 and y2 so I'm not sure if it's entirely right.

Best Answer

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MATLAB: Decision tree const. prob.

MATLAB: Matrix decision

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