ourworldindata: an R data package

@drsimonj here to introduce ourworldindata: a new data package for R. The ourworldindata package contains data frames that are generated by combining datasets from OurWorldInData.org: “an online publication that shows how living conditions around... | Simon Jackson | R tips and tricks from a scientist. All R Markdown docs with full R code can be found at my GitHub: https://github.com/drsimonj/blogR