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1. mortgage-credit-risk-portfolio mortgage-credit-risk-portfolio Public

   Consumer credit risk on the 749M-row Freddie Mac loan-level panel — panel hazard PD, competing risks, WOE scorecards, CECL-style expected loss, DFAST stress testing, SR 11-7 docs

   Jupyter Notebook

2. multifamily-credit-risk multifamily-credit-risk Public

   Fannie Mae multifamily credit risk — competing-risks hazards, two-part LGD, DSCR/NOI panel models, Monte Carlo economic capital, validation & SR 11-7 governance corpus

   Jupyter Notebook

3. retail-recsys-platform retail-recsys-platform Public

   Two-stage recommender on 2.6M grocery transactions — leakage-safe SQL features, XGBoost ranking, +59% recall@10 on a sealed out-of-time window; Docker/Kubernetes/CI deployment

   Jupyter Notebook

4. credit-risk-regulatory-rag credit-risk-regulatory-rag Public

   Custom RAG over a credit-risk regulatory corpus — ChromaDB vector store, keyword-routed multi-collection retrieval, hash-tracked ingestion with audit logging, Streamlit interface

   Python