If you work in data analysis, you should definitely pick up on R or at least give it a try. Once you have decided to learn R (and why wouldn’t you?) these 2 upcoming Coursera courses can help put you on your path. These starts in September and October and will require 3-5 hours per week. Videos below might help you decide if these are of your interest.
Computing for Data Analysis instructed by Roger Peng
Data Analysis instructed by Jeff Leek
Both from John Hopkins