[R] Positioning a legend via X and Y coordinates
smurray444 at hotmail.com
Wed May 6 19:08:03 CEST 2009
Dear R Users,
I'm able to display a legend using the following code:
> legend("topright", c("Simulation", "Observation"), fill=2:3, bty="n")
However, this causes the legend to be positioned too close to the bars in my barplot. I'd like to move the legend up slightly. I have been trying to determine the necessary values by trial and error to do this manually (by entering a coordinate) - however, I can't seem to get the legend to display! I must be off-limits, although I have tried a range of values.
I can do a temporary fix by doing locator(1), but I'd ideally like to learn how to determine the range of coordinate values 'available' within the graphics console in order to state the x and y values for legend positioning in the legend command. Is there an easy way to do this?
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