Each feature tag is tested as a predictor of the 5-year EPI delta, both as a raw correlation and in a regression controlling for GDP per capita, R&D intensity, system size, and base ranking level.
| Feature | n | Pearson r | Coef | 95% CI | p | R² |
|---|
Observational study on the snapshot cohort. Correlation is not causation; with few features and a small cohort, treat single p-values cautiously. Method: correlation study.
No advice. No warranty. No liability. Informational only - see the disclaimer.