Why accuracy lies to you
A model that reports 97% accuracy may not have caught a single fraud. After this lesson you will never look at accuracy on its own again.
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Sources
- Fawcett, T. 2006 · An Introduction to ROC Analysis · Pattern Recognition Letters, 27(8)
- Saito, T. & Rehmsmeier, M. 2015 · The Precision-Recall Plot Is More Informative than the ROC Plot on Imbalanced Datasets · PLOS ONE, 10(3)
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