frequency-encoding

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ShaikhWarsi / IEEE-CIS-Fraud-detection

XGBoost fraud detection pipeline with advanced feature engineering for IEEE-CIS, focusing on cardholder UID, D‑column normalization, and group aggregations.

python data-science machine-learning numpy scikit-learn pandas credit-card-fraud kaggle xgboost classification feature-engineering normalization fraud-detection gradient-boosting frequency-encoding ieee-cis group-aggregation

Updated Mar 21, 2026
Python

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