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Validates that the SC H.4216 reform produces a budget impact in the [-$130M, -$110M] range, consistent with the RFA fiscal note of -$119.1M. Uses .values to extract raw numpy arrays from MicroSeries before computing the weighted sum. MicroSeries.sum() is a weighted sum (values * weights), so multiplying by weight then calling .sum() would double-count the sampling weights. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
.valuesto extract raw numpy arrays before computing weighted sums —MicroSeries.sum()already applies sampling weights internally, so(diff * weight).sum()would double-count them (producing -$4,938M instead of the correct ~-$111M)Test plan
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