Columbia 26‘ |Tsinghua 25‘
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Columbia University
- New York
- www.linkedin.com/in/althea-tianyi-he
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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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spatiotemporal-water-quality-prediction
spatiotemporal-water-quality-prediction PublicData-driven spatiotemporal water quality prediction using ANN and STGCN with multi-source environmental data
Python
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credit-risk-data-prep-lab
credit-risk-data-prep-lab PublicCredit risk data preparation and feature engineering pipeline using Python, pandas, and scikit-learn.
Jupyter Notebook
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