Supplementary Data, Code, and Provenance Package for: Beyond Aggregate R² — Structural Heterogeneity, Persistence Benchmarks, and DEA-Augmented Healthcare Forecasting in Thailand

This package provides the data, code, and provenance record supporting the diagnostic protocol and empirical results reported in the paper. All data are province-year administrative aggregates derived from publicly available Thai Ministry of Public Health (MOPH) annual reports; this is not a clinical or patient-level data release.