How to detect fraud when it’s 0.17% of your data (and why 99.8% accuracy means nothing)
Flag the few transactions that are fraud among thousands that aren’t, without burying your review team in false alarms. What you’ll build: A model that scores every transaction by how likely it is to be fraud An alert threshold chosen from what fraud and reviews cost A plan for late labels and frau…
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- 2026-10-15 05:33 · DEV Community — Machine Learning
How to detect fraud when it’s 0.17% of your data (and why 99.8% accuracy means nothing)