Add OA calibration pipeline: Phases 1-6 (crosswalk, clone-and-assign, L0 engine, sparse matrix, target DB, local H5 publishing)#291

Merged

MaxGhenis merged 19 commits intomainfrom

oa-calibration-pipeline

Apr 12, 2026

Commits on Mar 16, 2026

Add Output Area crosswalk and geographic assignment (Phase 1)

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Add changelog fragment for OA calibration pipeline

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Commits on Mar 18, 2026

Commits on Mar 19, 2026

Add clone-and-assign step (Phase 2 of OA calibration pipeline)

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Apply ruff formatting

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Add L0-regularised calibration engine (Phase 3 of OA pipeline)

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Handle missing NI crosswalk gracefully in clone-and-assign

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Loosen L0 smoke test threshold for cross-platform stability

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Add sparse matrix builder (Phase 4 of OA calibration pipeline)

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Add SQLite target database (Phase 5 of OA calibration pipeline)

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Add per-area H5 publishing (Phase 6 of OA calibration pipeline)

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Fix Phase 6 IndexError: handle 2D weight matrix from dense calibrator

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Fix HDF5 dtype error for non-numeric columns in per-area H5 files

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Commits on Mar 20, 2026

Handle pandas StringDtype in HDF5 column serialisation

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Commits on Mar 23, 2026