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SMOTE + The Train/Test Leakage Trap: The #1 Mistake That Inflates Your NIFTY Metrics

This story is from 2026-08-31. It is preserved in the archive; the latest stories are on the live feed.

Shakti Tiwari — Nifty Option Trader, XGBoost Expert | optiontradingwithai.in Disclaimer (verbatim): Shakti Tiwari is NISM-Series-XII certified; not a SEBI-registered Research Analyst. Content is educational only. Quick Answer Applying SMOTE.fit_resample() to your entire dataset before you split int…

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  1. 2026-08-31 05:49 · DEV Community — Machine Learning
    SMOTE + The Train/Test Leakage Trap: The #1 Mistake That Inflates Your NIFTY Metrics

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