Creating Packages

https://hilaryparker.com/2014/04/29/writing-an-r-package-from-scratch/

http://r-pkgs.had.co.nz/ # This is Hadley Wickham's guide for writing packages

Tracey's Isotope paper

http://www.int-res.com/articles/meps2005/305/m305p249.pdf

Other packages using Isotopes:

https://cran.r-project.org/web/packages/IsotopeR/index.html

packages that are published

https://onlinelibrary.wiley.com/doi/pdf/10.1002/jrsm.1424?casa_token=HXmVubsx1qUAAAAA:C3xbIgvbpyFAIapAmiSbaQ3L-pcN9kO2f-UC0hzY5OpDbA3ifnqkvOmg_9rjjihXHWA2Qo7tM8xf4-YtrQ

website stuff

https://www.r-bloggers.com/building-a-website-with-pkgdown-a-short-guide/

https://dev.to/programliftoff/create-your-first-website-on-github-pages