Some of learn easily from the written word, but for most of us some visualization speeds up the process and generally helps with retention as well. With that in mind I was delighted to see this nice list of free videos that demonstrate the use of R, posted on Ethan Fosse's blog, "Culture, Statistics, and Society". Also of interest to econometricians will be Ethan's recent post outlining why he's dropped Stata completely in favour of R. I'll be following his blog, for...