As long as I am passing along references, here is a link to a post by W. Andrew Barr, PhD candidate at Texas, aggregating resources related to learning and using R.
Being able to code is extraordinarily valuable. R is one of the easiest, and certainly the cheapest, platform to learn on.
About Adam Van Arsdale
I am biological anthropologist with a specialization in paleoanthropology. My research focuses on the pattern of evolutionary change in humans over the past two million years, with an emphasis on the early evolution and dispersal of our genus, Homo. My work spans a number of areas including comparative anatomy, genetics and demography.