One great way to get help with R is by asking a question on the r-help mailing list. More often than not I have actually figured out the answer simply by typing up the question, because that made me think more clearly about what the problem really was. The people on the list are exceedingly [...]
A helpful article in by Uwe Ligges and John Fox in R news 2008(1), pp 46-50, about loops vs. apply was just pointed out on R-help. I’ve uploaded it here (pdf).
# ‘fai1′ is an empty MySQL database for which ‘mpromber’ has all privileges
mycon
Memo to self: I installed RMySQL using
sudo aptitude install r-cran-rmysql
because when I used
install.packages(“RMySQL”)
it asked my to specify the MySQL libraries and headers and whatnot and don’t know where they are.
When you start using R, it can be confusing that if you assign something to an object you do not get visual feedback:
x x
[1] 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
You can exploit this fact for doing a quick-and-dirty lottery. Assume you have a file [...]