Cheating on ML evaluation with imbalanced dataset
Hey everyone, so I have been reading some papers applying machine learning on fraud detection (very imbalanced datasets) that have more than 90% of recall and precision. While checking them properly i have seen that many of them balance not only the training set but also the test set, so instead of…
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Timeline · 2 reports
- 2026-09-24 20:49 · r/MLQuestions
Cheating on ML evaluation with imbalanced dataset - 2026-09-24 20:49 · r/learnmachinelearning
Cheating on ML evaluation with imbalanced dataset