How a 12-Year Longitudinal Observational Archive Evolved into the CS-NRRM™ Official Research SeriesBy Changhun ShinFounder of CS-NRRM™ (Changhun Shin Natural Recovery Pattern Model)Independent ResearcherIntroductionEvery long-term archive begins as a collection of observations.Most remain personal records.Some become datasets.Very few evolve into documented frameworks that preserve continuity, c..