On 05/26/2010 09:49 PM, Peter Neuhaus wrote:
Dear plotting wizards,
when plotting in R, the actual lengths of the axes are slightly
greater than the ranges of the x/y variables or xlim/ylim values.
how do I control the amount by which the axes are enlarged? Is
there a way to enforce that the lengths of the axes equal
xlim/ylim?
example:
plot(0:100,0:100,pch="+")
it can be observed, that the x- and y-axis join at approx. (-4,-4)
and (104,104). If I want the axes to join at (0,0) and (100,100)
I have to cheat R into doing it by providing wrong xlim/ylim values:
plot(0:100,0:100,pch="+",xlim=c(4,96),ylim=c(4,96))
is there a proper way to control this? I've been reading through
the help for "par" but I still have no clue.
Hi Peter,
See par("xaxs") and par("yaxs") for the answer "i". You are correct
about the expansion provided by the default "r" style.
Jim
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