Code and data for an investigation of SDG research and OA publishing.
The Leiden ranking was downloaded from https://zenodo.org/record/4745545 and is included here for further analysis. The copyright remains with CWTS.
Citation: Van Eck, Nees Jan. (2021). CWTS Leiden Ranking 2020 [Data set]. Zenodo. http://doi.org/10.5281/zenodo.4745545
The UN data on countries came from https://unstats.un.org/unsd/methodology/m49/overview/. The license does not permit redistribution (https://www.un.org/en/about-us/terms-of-use#countries).