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sagitechls / SSN_SACE_2017_Jan

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Suggestions for deriving optimal cost matrix for use in Decision Trees #31

Open eashwarsiddharth opened 7 years ago

eashwarsiddharth commented 7 years ago

Using a Cost Matrix will improve the efficiency, especially in case of class imbalance.

Rajhan commented 7 years ago

So you want to assign some penalty for every misclassified instance.

eashwarsiddharth commented 7 years ago

Yes, but, I'm not sure of a method to derive the optimal cost matrix. I have used arbitrary values with only slight improvement.