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How to Post Pruning in RapidMiner

Hi everyone, I’m having trouble with an overfitting decision tree and my teacher suggested using post-pruning to improve accuracy. However, I’m not sure how to apply post-pruning in RapidMiner. Can anyone offer some guidance?

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Decision Tree

Accepted answers

jwpfau

Hi Ronald,

for the regular Decision Tree operator the "apply pruning" parameter together with the "confidence" parameter is used for post pruning.

Greetings,
Jonas

RonaldSebastian58

Thanks for the guidance! i will try it

All comments

jwpfau

Hi Ronald,

for the regular Decision Tree operator the "apply pruning" parameter together with the "confidence" parameter is used for post pruning.

Greetings,
Jonas

RonaldSebastian58

Thanks for the guidance! i will try it

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