Hi,
You can do it by first plotting your values without the x-axis:
plot(x,y,log="xy", xaxt="n")
and then plotting the x-axis with ticks where you need to:
axis(side=1, at=seq(2000,8000,1000))
HTH,
Ivan
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Ivan Calandra, PhD
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Le 19/05/2016 à 15:40, Brian Smith a écrit :
Hi,
I have a plot with log scale on the axes. How do I add ticks and labels in
addition to the ones provided by default? Can I specify where I want the
ticks and labels?
For example:
set.seed(12345)
x <- sample(1:10000,10)
y <- sample(1:10000,10)
plot(x,y,log="xy")
For me, this plot has tick marks (and labels) at 2000, 4000, 6000, 8000.
How can I make the axes so that it has marks and labels at 1000 intervals
(i.e. 2000, 3000, 4000, etc.)
thanks!
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