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1. ev-charging-data-unified-schema ev-charging-data-unified-schema Public

   Three public EV-charging datasets in incompatible shapes, conformed into one tested dbt schema on DuckDB. Every rejected row is kept, and every published number traces to a committed artifact.

   Python

2. entity-resolution entity-resolution Public

   Record linkage between Discogs masters and MusicBrainz release groups, measured against labelled ground truth: blocking with pair completeness, rules vs calibrated classifier, review-queue cost, au…

   Python

3. fantasy-football-ai fantasy-football-ai Public

   Weekly NFL fantasy point predictions from nflverse data. As-of feature engineering, temporally validated RF models vs a causal baseline, GMM draft tiers, artifact-backed evaluation with rolling-ori…

   Python 15 2

4. nba-ai-ml nba-ai-ml Public

   Zero-cost nightly NBA player-stat prediction pipeline: GitHub Actions, Hugging Face, LightGBM, and a tool-calling agent that audits each run.

   Python 1 1

5. cbratkovics.dev cbratkovics.dev Public

   Portfolio of Christopher J. Bratkovics: analytics engineering, data science, and applied AI focused on trustworthy data foundations, intentional metrics, workflow automation, and evidence-backed fi…

   TypeScript 1

6. document-intelligence-ai document-intelligence-ai Public

   Hybrid document retrieval that shows its work: every passage carries its BM25, dense (ONNX MiniLM) and reciprocal-rank-fused ranks. FastAPI + Chroma API, Next.js evidence UI. Live retrieval-only de…

   Python