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Columbia University
- New York
- www.linkedin.com/in/althea-tianyi-he
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ai-engineer-daily
ai-engineer-daily PublicAn AI-powered daily briefing platform that helps software engineers stay up to date with AI and software engineering.
Python 2
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credit-risk-sequence-modeling
credit-risk-sequence-modeling PublicAn end-to-end credit risk modeling framework combining feature engineering, Transformer-based sequential behavior modeling, and ensemble learning with synthetic reproducible datasets.
Python
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risk-analytics-engine
risk-analytics-engine PublicEnd-to-end credit risk modeling pipeline with feature screening, LightGBM/XGBoost training, model evaluation, and automated analytics reporting.
Jupyter Notebook
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childcare-optimization-milp
childcare-optimization-milp PublicData-driven optimization model (MILP) to solve child care supply-demand gaps with spatial and cost constraints
Jupyter Notebook
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