Add R link

kgryte · kgryte · commit 295bf8f8e69a · 2016-04-19T12:29:29.000-07:00
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
@@ -16,6 +16,8 @@ When contributing to this project, please follow the provided guidelines.
 
 (...coming soon...)
 
+*   Hadley's [notes](http://adv-r.had.co.nz/OO-essentials.html), which include a comment on `function` name conventions
+
 
 #### Julia
 
