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huacenxu/README.md

Huacen Xu

I'm a data scientist and engineer in Atlanta, working on enterprise data governance: the layer of a data platform that decides whether a dataset is owned, registered, described, tested, and properly entitled before anyone builds on it.

I build the tooling that makes those decisions repeatable. Compliance-check pipelines that turn written policy into per-dataset pass/fail results, with new domains added as configuration rather than code. Certification workflows that render those results into a signed certificate and walk it through review with one-click, tamper-evident links. Governance knowledge graphs that keep an assistant's understanding of the policy wiki current, where every routing decision can be traced back to a page and a reason. And agent skills on top of all of it, gated by evaluation sets so a change that regresses an answer never merges.

The way I think about it: governance tooling should be thoughtful rather than loud. The best control is one that catches an issue by design, before a human has to notice it, and explains itself well enough that the human can trust it. Deterministic first, models where they earn their place, and a test that says what "correct" means.

Pattern code available on request.

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  1. COVID-Morality COVID-Morality Public

    This project builds a novel liberty dictionary to quantify liberty morality—a concept missing from the extended Moral Foundations Dictionary (eMFD)—and leverages it to study the relationship betwee…

    Jupyter Notebook

  2. Student-Loan-Homeownership-Gap Student-Loan-Homeownership-Gap Public

    Replication code: Student Loan Debt and the Black-White Homeownership Gap (GEE models + Oaxaca-Blinder decomposition on PSID data)

    Jupyter Notebook

  3. Data-Scientist-Nanodegree Data-Scientist-Nanodegree Public

    All the files provide hands-on experience running data pipelines, designing experiments, building recommendation systems, and more.

    Jupyter Notebook

  4. Generative-AI-Nanodegree Generative-AI-Nanodegree Public

    This repository includes core exercises with solutions from the Udacity Generative AI Nanodegree program.

    Jupyter Notebook