Fix calibration population overshoot (~6% drift)#310

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vahid-ahmadi wants to merge 11 commits intomainfrom

fix/population-rescale-217

Commits on Apr 18, 2026

Add post-calibration population rescaling to fix ~6% overshoot

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MaxGhenis
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Add tests for population rescaling and extract into testable function

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MaxGhenis
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Replace synthetic rescale tests with microsimulation-based checks

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MaxGhenis
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Use native microdf weighted operations in population tests

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MaxGhenis
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Apply ruff formatting

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MaxGhenis
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Fix test failures: use raw weights for household count, fix variable name

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MaxGhenis
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Fix country population test: map country variable to person level

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MaxGhenis
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Fix population drift inside calibration loss instead of post-hoc rescaling

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MaxGhenis
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Fix asymmetric loss function that biased optimiser toward overshoot

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MaxGhenis
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Apply ruff format after rebase

MaxGhenis
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claude
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Commits on Apr 21, 2026

Merge main into fix/population-rescale-217; resolve test_population + uv.lock
vahid-ahmadi
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