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fix(analysis): use compound inflation calculation instead of linear sum

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Jose Selesan
2026-08-27 12:52:48 -03:00
parent d24f3ce872
commit 1fee87a4ce
1 changed files with 4 additions and 2 deletions
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6
apps/frontend/src/features/analysis/components/MonthlyVariationTable.tsx
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@@ -258,14 +258,16 @@ export function MonthlyVariationTable() {
const accumulatedInflation = rows.reduce<number | null>((acc, row) => { const accumulatedInflation = rows.reduce<number | null>((acc, row) => {
if (row.inflation === null) return acc; if (row.inflation === null) return acc;
return (acc ?? 0) + row.inflation; const factor = 1 + row.inflation / 100;
return (acc ?? 1) * factor;
}, null); }, null);
return { return {
BELO: totalVariation(oldest.BELO.current, newest.BELO.current), BELO: totalVariation(oldest.BELO.current, newest.BELO.current),
BLUE: totalVariation(oldest.BLUE.current, newest.BLUE.current), BLUE: totalVariation(oldest.BLUE.current, newest.BLUE.current),
BNA: totalVariation(oldest.BNA.current, newest.BNA.current), BNA: totalVariation(oldest.BNA.current, newest.BNA.current),
inflation: accumulatedInflation, inflation:
accumulatedInflation !== null ? (accumulatedInflation - 1) * 100 : null,
period: `${oldest.label} – ${newest.label}`, period: `${oldest.label} – ${newest.label}`,
}; };
}, [rows]); }, [rows]);