https://swcarpentry.github.io/r-novice-inflammation/06-best-practices-R/
https://www.r-bloggers.com/r-code-best-practices/
https://en.wikipedia.org/wiki/Best_coding_practices
https://www.topcoder.com/coding-best-practices/
https://hackernoon.com/few-simple-rules-for-good-coding-my-15-years-experience-96cb29d4acd9