NEWS.md
2026-04-21
data_mesh_frequencies, a bundled dataset of MeSH descriptor frequencies across the full PubMed corpus (39.7 M PMIDs, April 2026). Columns DescriptorUI, DescriptorName, n_pmids, and prop_total. Intended as a baseline for MeSH term enrichment analyses.pmid_to_ftp() updated to use the PMC Cloud Service on AWS S3 (pmc-oa-opendata.s3.amazonaws.com) in response to NCBI’s migration away from the legacy PMC FTP Service (transition period February–August 2026; FTP decommissioned August 2026). The function interface is unchanged.2026-01-26
pmid_to_ftp() to convert PMIDs to full-text download URLs for open-access PMC articles; pass $url to get_records(endpoint = 'pmc_fulltext'). For bulk, use data_pmc_list().endpoint_info() to provide schema, columns, and rate limits for each endpoint.