TableĀ 5

Temporal performance across core, extended and direct-logistics specifications

SpecificationRowsCountriesFirst yearLast yearCutoffBest modelR-squaredRMSE
Core annual readiness1,71151198520242017Extra Trees0.65114.149
Extended readiness1,71151198520242017Extra Trees0.66713.845
Direct logistics readiness46751200720222018Extra Trees0.80910.738
Source(s): Computations from the study dataset (2026)

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