[R] How to plot two graphs on one single plot?
Yun Zhang
yunzhang at Princeton.EDU
Fri Feb 23 16:34:41 CET 2007
Thanks. Now R plots two graphs on one plot.
Yet they are still on two graphs, vertically parallelized with each other.
But what I want to do is actually plotting two distribution on one
single graph, using the same x and y axis. Like:


 (dist2)
 (dist 1)

>
Is it possible to do that?
Thanks,
Yun
Henrique Dallazuanna wrote:
> par(mfrow=c(2,1))
> #your plot
> #after plot
> par(mfrow=c(1,1))
>
> On 23/02/07, *Yun Zhang* <yunzhang at princeton.edu
> <mailto:yunzhang at princeton.edu>> wrote:
>
> Hi,
>
> I am trying to plot two distribution graph on one plot. But I dont
> know
> how. I set them to the same x, y limit, even same x, y labels.
>
> Code:
> x1=rnorm(25, mean=0, sd=1)
> y1=dnorm(x1, mean=0, sd=1)
>
> x2=rnorm(25, mean=0, sd=1)
> y2=dnorm(x2, mean=0, sd=1)
> plot(x1, y1, type='p', xlim=range(x1,x2), ylim=range(y1, y2),
> xlab='x',
> ylab='y')
> plot(x2, y2, type='p', col="red", xlab='x', ylab='y')
>
> They just dont show up in one plot.
>
> Any hint will be very helpful.
>
> Thanks,
> Yun
>
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> 
> Henrique Dallazuanna
> CuritibaParaná
> Brasil
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