Data and code citations supporting: A Field-Choice Error in a National FHIR Conformance Dashboard Systematically Undercounts Vendor Implementation Guide Support

Raw and processed data supporting the manuscript "A Field-Choice Error in a National FHIR Conformance Dashboard Systematically Undercounts Vendor Implementation Guide Support" (submitted to JAMIA, the Journal of the American Medical Informatics Association). Includes the ten-vendor panel of live FHIR CapabilityStatement declarations for four Implementation Guides, raw CapabilityStatement JSON re-fetched from eight vendor endpoints, the retrieval log, and the underlying research notes documenting method and provenance.