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1. Note-Learning-and-Newsletter Note-Learning-and-Newsletter Public

   Something learned and shared

   1

2. US-Tariff-What-Didnt-and-What-Did US-Tariff-What-Didnt-and-What-Did Public

   Decomposition analysis of the impact of 2025 Trump tariffs on US goods imports and consumer burden

   Python 1

3. incremental-SVD incremental-SVD Public

   An improved incremental singular value decomposition(SVD) algorithm

   MATLAB 15 2

4. dbt-DiD-pre-period-selector dbt-DiD-pre-period-selector Public

   dbt package, select appropriate pre-period windows for DiD in SQL

5. Numerical-Optimization Numerical-Optimization Public

   Numerical optimization algorithms with examples in Python.

   Jupyter Notebook 3

6. orchestrator-skill orchestrator-skill Public

   skill turns complex tasks into an explicit, multi-step execution plan with DAG