# software / data and ml

- Partitioned parquet lake with pyarrow (minute bars since 2016, options since 2024)
- LightGBM, scikit-learn, HAR-RV, PyTorch TCNs, CuPy GPU backtests, numba
- EDGAR and SEC filing pipelines with documented timestamp handling
- Point-in-time universes and fundamentals

Up: https://matthewguo.me/p/software

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