What is MinLeafSize in Hyperparameter Optimization

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Dimitri 2018-10-16

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https://ww2.mathworks.cn/matlabcentral/answers/424320-what-is-minleafsize-in-hyperparameter-optimization

评论： Dimitri 2018-10-17

Hello, I'm currently working on the syntax of hyper parameter optimization and don't understand the table with MinLeafSize for example here: https://de.mathworks.com/help/stats/fitrtree.html#bvdmo26-1. In iteration 1 it says MinLeafSize 28, what does that mean exactly?

Best regards, Dimitri

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Answer 1

Alan Weiss 2018-10-16

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https://ww2.mathworks.cn/matlabcentral/answers/424320-what-is-minleafsize-in-hyperparameter-optimization#answer_341758

编辑：Alan Weiss 2018-10-16

MinLeafSize description. The algorithm is briefly sketched here. There is more explanation here. In particular, this might help.

Alan Weiss

MATLAB mathematical toolbox documentation

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Dimitri 2018-10-17

Thanks Alan, through your first link and some research on the internet, I found a good answer here: https://discuss.analyticsvidhya.com/t/what-is-good-in-a-decision-tree-a-large-or-a-small-leaf-size/2108/2 . Thanks a lot!

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