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Add weighted voting to Ensemble Vote meta-learner

Telcontar120Telcontar120 Moderator, RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,635 Unicorn
edited December 2018 in Product Ideas

The ensemble meta-learner Vote allows you to combine predictions from individual models, but it currently only provides simple majority voting for classification problems.  For classification problems, it would be helpful to add a parameter to allow weighted voting (basically to average the confidences of the individual components rather than 0/1 voting by classification).  This is similar to what is already supported in individual learners like k-nn for example.  With only majority voting, the resulting classification confidences are very "lumpy" which is unfavorable for many reasons.

Brian T.
Lindon Ventures 
Data Science Consulting from Certified RapidMiner Experts
5
5 votes

Open for Voting · Last Updated

IC-1095

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