Hybrid open access articles via Crossref

Contains information about the overall publication volume, and, if available, cost information from the Open APC Initiative.

hybrid_publications()

Format

A data frame with the following variables:

Variable	Description
`license`	Normalized open content license statement
`journal_title`	Most frequent journal title used by Crossref
`publisher`	Most frequent publisher name used by Crossref
`doi_oa`	DOI of the hybrid open access article
`issued`	Earliest publication year
`yearly_jn_volume`	Yearly article volume per journal
`license_ref_n`	Yearly article volume under the license `license`
`yearly_publisher_volume`	Yearly article volume of all journals in the dataset per publisher
`yearly_all`	Yearly article volume investigated
`period`	Year of reporting to Open APC
`euro`	The amount that was paid in EURO. Includes VAT and additional fees
`hybrid_type`	Spending source (Open APC, SCOAP3)
`institution`	Top-level organisation which reported article to Open APC
`country`	Country of origin (iso3c)
`country_name`	Country of origin (name)
`license_url`	License URL
`host`	Email host first or corresponding author
`subdomain`	Email subdomain first or corresponding author
`domain`	Email domain first or corresponding author
`suffix`	Email suffix first or corresponding author