The following example may give you an idea regarding your question.
Please see what happens by typing the codes
> x <- seq(from=-5, to=5, by=1)
> y1 <- 0 + 0.5*x
> y2 <- 0 - 0.5*x
>
> plot(x,y1, type="n")
> points(x,y1)
> points(x,y2)
> abline(a=0, b=0.5)
> abline(a=0, b=-0.5)
Is this what you are looking for? I hope this helps.
Chel Hee Lee
On 12/05/2014 02:30 AM, Adrien Bonvin wrote:
Bonjour
Hi everybody,
Firs of all, sorry for my terrible English,
I would like to know if it’s possible to create an “empty plot” in which i
could add two ablines I created on two different plots earlyer in my script.
As a result I would like to have a plot with only the two ablines (in the same
plot) but without the graphs I used to create the ablines in the first place.
I hope I explained my problem well enough.
Thanks for helping me out, i hope someone has the answer.
Adrien Bonvin
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
