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How to Increase class recall of a yes column in confusion matrix
Learner IHI All,
I have a split validation operator within which i have a MetaCost operator connected to apply model and performance (binomial) operator. Within the MetaCost, i have a logistic regression operator. The confusion matrix shows my yes and no columns but i would like to increase my recall percentage. How do i do that?
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Best Answer
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IngoRM
Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert, Community Manager, RMResearcher, Member, University Professor Posts: 1,751 
RM Founder
Hi,Did you try different cost values in the parameters of Meta Cost? Just play around a bit with different values to see the impact on recall and precision until you get closer to the desired result.Hope this helps,
Ingo5
Answers
P.S. You should use Cross Validation instead of Split Validation :-)
Lindon Ventures
Data Science Consulting from Certified RapidMiner Experts