[This article was first published on R Views , and kindly contributed to R-bloggers ]. (You can report issue about the content on this page here ) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. If you are lucky enough to have some extra time for discretionary reading during the holiday season, you may find it interesting (and rewarding) to sample some of the nearly two hundred posts written across the various RStudio blogs. R Views R Views, our blog devoted to the R Community and the R Language, published over sixty posts in 2019. Many of these were contributed by guest authors from the R Community who volunteered to share some outstanding work. Among my favorites are the multi-part posts that explored data science modeling issues in some detail. These include Roland Stevenson’s three-part series on Multiple Hypothesis Testing and A/B Testing , the four-part series on Analyzing the HIV pandemic by Andrie de Vries an...