[R] plot y1 and y2 on one graph
jim holtman
jholtman at gmail.com
Wed Feb 27 23:49:44 CET 2008
This should do what you want:
x<-1:10
y1<-x+runif(10)*2
y2<-seq(0,50,length.out=10)+rnorm(10)*10
plot(y1~x, bty='c')
par(new=TRUE) # plot on the same graph
plot(y2~x, col='red', axes=FALSE, bty='c', xlab='', ylab='')
axis(4, col.axis='red', col='red')
mtext("y2", 4, col='red', line=-2)
On Wed, Feb 27, 2008 at 5:05 PM, milton ruser <milton.ruser at gmail.com> wrote:
> Dear all
>
> I have a code like
>
> x<-1:10
> y1<-x+runif(10)*2
> y2<-seq(0,50,length.out=10)+rnorm(10)*10
>
> par(mfrow=c(1,2))
> plot(y1~x)
> plot(y2~x)
>
> Now I would like to plot y1 and y2 on the same graph, with its two scales
> (y1 on left and y2 on rigth side).
>
> Any help are welcome.
>
> Kind regards
>
> Miltinho
>
> Brazil
>
> [[alternative HTML version deleted]]
>
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>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve? Tell me what you want to
do, not how you want to do it.
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