Archives for February, 2007


Screen is an interesting command. It can be used to detach a terminal session and reattach it later. sss -X username@server screen R ctrl a + d to detach screen -r to reattach Technorati Tags: Linux Advertisements

Working with ggplot

Hadley Wickham’s ggplot is a very interesting package. It makes beautiful graphics, integrates well with some of the other packages to allow you to superimpose the plots of various types of estimates on plots of data. In particular, it uses colours very well. The default colour schemes are aesthetically pleasing. It allows a flexible use […]

Dropping columns in subset command

Use “select=c(var1,var2)” in the subset command to select var1 and var2. Use “select=-c(var1,var2)” in the subset command to drop var1 and var2. Technorati Tags: GNU-R