R package development

( In case an R Meetup isn't your idea of a good way to spend Valentines Day, we bumped this meetup up a day.)

Peter DeWitt will be presenting. The focus will be on reproducible reporting, documenting, and collaboration. The presentation will first show that relying on a script is insufficient for sharing code and having reproducible results. The movement from `important-analysis.R` script to an R package will be shown.

Expanding on the R package structure, Peter will provide examples of when version control and continuous integration tools not only provide for higher quality documentation and work, but can be essential for keeping each developer on a team accountable.

We will cover SVN and Git log and blame. Using the testthat package, and using CI.