This repository is archived (read-only) as of 2026-10-12. The projects were split into focused repos with their own tests, CI and READMEs. Please use the links below.
| Project | Where it lives now | Status |
|---|---|---|
| Credit card fraud detection (XGBoost + SHAP; recall 0.84 / precision 0.88 / PR-AUC 0.88) | Retro099/credit-card-fraud-detection | maintained |
| Japanese RAG + reproducible evaluation | Retro099/japanese-rag-eval | maintained |
| Japanese sentiment (BERT fine-tune demo) | this repo, Japanese_Sentiment_Analysis/ |
archived: trained on a 10-sentence toy set, not a measured result |
| Customer churn prediction | this repo, Customer_Churn_Prediction/ |
archived, not maintained |
The original code is kept here unchanged for history. Backup tag: backup/2026-10-12.