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1. Nudge-Causal-Promotion-Intelligence-System Nudge-Causal-Promotion-Intelligence-System Public

   Nudge finds customers who convert because of a promotion, not just customers who convert. Built with econml, DuckDB, XGBoost, and Streamlit.

   Jupyter Notebook

2. Customer-review-intelligence-nlp Customer-review-intelligence-nlp Public

   3-stage NLP pipeline on 568k Amazon reviews — VADER baseline → TF-IDF + LinearSVC → DistilBERT fine-tuning. Adds Aspect-Based Sentiment Analysis (Quality/Price/Delivery/Service) and LIME explainabi…

   Jupyter Notebook

3. Prepstack-AI-Interview Prepstack-AI-Interview Public

   AI mock interview coach with resume review, voice Q&A, and post-session scorecards. Python, FastAPI, NVIDIA NIM, streaming LLM responses. Portfolio project — runs locally with SQLite.

   Python 1

4. Conversational-XSLT-Mapping-Agent Conversational-XSLT-Mapping-Agent Public

   a production-grade, Streamlit-based LLM agent that lets users explain, simulate, audit, modify, and generate XSLT/EDI mappings in plain English, using tool-calling + RAG (ChromaDB) and real XSLT ex…

   Python

5. Customer-Churn-CLV-Prediction-Pipeline Customer-Churn-CLV-Prediction-Pipeline Public

   Customer analytics ML pipeline with notebooks for data prep, segmentation/propensity modeling, evaluation, and business-ready reporting.

   Jupyter Notebook

6. Walmart-demand-forecasting Walmart-demand-forecasting Public

   How gradient boosting beat Walmart's legacy forecasting model by 2.57 percentage points — full reproducible analysis with LightGBM, feature engineering, and business impact quantification.

   Jupyter Notebook