AI article
5 ways your ML model's score is lying to you
Community description: A while back, I had to retract one of my own results. A model I'd built was posting a validation...
Dev.to | Sep 14, 2026 | Joel Gomes
Automated excerpt
Fix: de-duplicate before you split, and make sure no test row also exists in train. A random split scatters them across both sides. Split randomly and the model recognises the subject, not the pattern.
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