The silence in Davos
A terrific article about the absence of discussion of Egypt in Davos. http://www.theatlantic.com/business/archive/2011/01/davos-is-silent-as-egypt-burns/70463/
January 29, 2011
January 10, 2011
$ operator not defined for this S4 class
I was trying to reproduce Figure3.11 in Gelman and Hill (2006). I got an error message, "$ operator not defined for this S4 class." (R 2.12.1) I have no idea what a class is. I changed "$" in their codes...
How to change language setting of R on Windows
I read FAQ on CRAN, but it was a bit confusing to a novice like me. So here is the screenshot. First, go to the "etc" folder under R program files folder. Then locate Rconsole file. Find the line "language...