[R] overlay plots

[Jens Nieschulze]

On Thu, 6 Sep 2001 Gerard.Keogh at cso.ie wrote:

> Hi all!
> 
> I new to R (I don't know anything about S+ either!)
> 
> I've a simple question:
> 
> How do I generate overlay plots in R?
> So far as I can see the plot(x, y) operator will only give me one graph and
> the plot(x ~ y + z) will give me 2 separate plots.
> Is there an easy way to overlay or am I missing the obvious?
between two calls to plot you should set
par(new=T)

specify the xlim=c(x1,x2) ylim=c(y1,y2) in each call to plot() to get
propper matching of the overlaid plots
> 
> 
> Any help welcome.
> 
> Gerard Keogh
> 
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Jens Nieschulze

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