Missing-data discipline
Missing observations remain visibly missing rather than being silently presented as observed values.
Quality assurance
Publication checks. Protected implementation.
PolisMetric runs quality controls before publication. This page reports high-level publication status. Production construction remains proprietary.
Published data connected35 current-country rows · 5,600 historical rows · 1865–2024Data status →
PASS
Publication integrity
Current publication checks passed.
PASS
Current-data consistency
Current-country records passed consistency checks.
PASS
Historical integrity
Historical records passed integrity checks.
PASS
Evidence review
Evidence-status controls passed review.
Independent checks
Publication integrity, model validation and substantive research review are separate controls. Passing one does not automatically validate the others.
Protected production
Production construction remains proprietary.
Audit scope: this page reports publication-quality status only. Model validation and research judgment remain separate stages.