I'm considering studying for an MSc in Operational Research or something similar as I've been using R for discrete event simulation at work which I find interesting - does anyone have any suggestions?
Perhaps look at stats and machine learning courses too. There is rather a lot of online material out there for you to take a look at before committing to doing a full on MSc yourself - CMU has some good stuff:
maybe take a look at their optimisation course (useful whether you go for an OR MSc or ML/Stats):
https://www.cs.cmu.edu/~ggordon/10725-F12/schedule.html
also see Stephen Boyd's courses on the Stanford engineering everywhere website:
https://see.stanford.edu/Course
CMU has some decent PGM lectures too:
http://www.cs.cmu.edu/~epxing/Class/10708/lecture.html
there is also a Stanford course on Coursera