A nice intro to R data frames : http://ww2.coastal.edu/kingw/statistics/R-tutorials/dataframes.html
"Far away is close at hand in images of elsewhere." - googleit.
The difference between a rocket and a missile is a rocket is unguided. Also, you spell missile with two i's.
lumbermissile.com is available along with lumberrocket.com. This is funny in a certain context. thank you, come again.