[r-markdown]: https://rmarkdown.rstudio.com/
[rstudio]: https://www.rstudio.com/
[ruby-install-guide]: https://www.ruby-lang.org/en/downloads/
[ruby-installer]: https://rubyinstaller.org/
[rubygems]: https://rubygems.org/pages/download/
[styles]: https://github.com/carpentries/styles/
[r-markdown]: https://rmarkdown.rstudio.com/
[rstudio]: https://www.rstudio.com/
[ruby-install-guide]: https://www.ruby-lang.org/en/downloads/
[ruby-installer]: https://rubyinstaller.org/
[rubygems]: https://rubygems.org/pages/download/
[styles]: https://github.com/carpentries/styles/