search for: unplotting

I would like to plot and unplot a line to a graph using R's line command. This would allow for sequentially trying different plotted functions for a visual fit. Is there a way to do this? Rex

Hello all, I'm writing a file to PNG on Windows 7 using 'cairo-png'. I've been using it without problem for a while, but abruptly I'm getting what look like unplotted areas. I'm using the cairo-png specifically because it sucessfully generates a transparent background, whereas 'windows' doesn't. The actual issue has a lot of code I don't think it's

Hi everyone, I want to highlight something in a plot. So I want to write a text with a yellow background. I tried to make use of text(x,y,"hallo",bg="yellow") but that does not work. I know I am a handful. Sorry! Maja! --