Some links and learning from CaRdiff User Group

Breaking down functions
https://kbroman.org/steps2rr/pages/functions.html

How to Datapasta
https://cran.r-project.org/web/packages/datapasta/vignettes/how-to-datapasta.html

Adding column if it does not exist
https://stackoverflow.com/questions/45857787/adding-column-if-it-does-not-exist
https://stackoverflow.com/a/45858044/3793923

What they forgot to teach you about R
https://blog.rstudio.com/2018/08/07/what-they-forgot-to-teach-you-about-r/
- project-oriented workflows, version control for data science (Git/GitHub!), and how to plan for collaboration, communication, and iteration (incl. RMarkdown)

Code > Insert roxygen skeleton
http://stat545.com/packages05_foofactors-package-02.html