The long-awaited new Ubuntu LTS Xenial Xerus was released last week. I wrote a tutorial on installing R and R-Studio on the old 14.04 LTS, so I figured I’d update that document. Not much has changed for the new 16.04 version but there are new reposit...

Shiny Server is a great tool, but I’ve always found it odd that there was no built-in password authentication. Sure, the Shiny Pro edition has SSL auth., but even for open source projects, I’m not really crazy about just anyone hitting my server wh...

IPython is a great tool for developers, particularly for R programmers who are accustomed to the luxury of running blocks of code during development. The ability to add an R kernel to the IPython environment gives one the ability to run Python and R si...

I’ve recently been exploring options to calculate median and quartiles in my Postgres database. If you’re familiar with quartiles you know how handy they can be. There’s a few different options in the Postgres universe to accomplish this, so I fi...