Try this:
set.seed(123)
x <- 1:5
y1 <- rnorm(5)
y2 <- rnorm(5)
par(mar = c(5,4,5,4))
plot(x, y1, xlab = "x-axis", ylab = "y-axis", type =
"l")
par(new = TRUE)
plot(x, y2, axes = FALSE, yaxs = "i", type = "l",
ann = FALSE, col = 2)
axis(4, las = 2)
mtext("z-axis", 4, 2)
I hope it helps.
Best,
Dimitris
On 3/1/2012 9:13 AM, Alaios wrote:> Dear all,
> I would like to place into a same plot two plots. Their y values though are
different a lot (first series has around -100 y values and the second one
slightly over 1). The x value are the same.
> I would like to have in the same plot (under the same x,y axis the two
plots). Is it possible then to have two y labels, one for example in the left
side and an extra y label at the right. Each y label will have its own labeling
and its own Font type line.
>
> CAn I do something like that in R with the normal plots and lines?
>
> I would like to thank you in advance for your help
>
> B.R
> Alex
>
> [[alternative HTML version deleted]]
>
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>
--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center
Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014
Web: http://www.erasmusmc.nl/biostatistiek/