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Explanation predictorImportance - Ensemble Learning with Decision Trees

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Dario Walter
Dario Walter 2020 年 8 月 20 日
回答済み: Prabhan Purwar 2020 年 8 月 28 日
Hey,
I try to understand what the function predictorImportance is doing when using Ensemble Learning with Decision Trees. The Matlab documentation is not really comprehensive :/. What is meant by "risk"?

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Prabhan Purwar
Prabhan Purwar 2020 年 8 月 28 日
Hi,
Our implementation of 'predictorImportance' can be viewed directly within the 'TreeImpl' class.
This file is located in your MATLAB installation folder:
MATLAB\R2017a\toolbox\stats\classreg\+classreg\+learning\+impl\TreeImpl.m
(Kindly fill up the matlab version accordingly).
You can use Control + F in order to find "predictorImportance"; there you can view the implementation.
Thanks.

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