how superpose two graphics ?

"BISSERY" == BISSERY Alvine <Alvine.BISSERY at hop.egp.ap-hop-paris.fr> writes:

BISSERY> hello, I'd like tu superpose two graphics, I mean, be able to
    BISSERY> plot two functions on the same graphics ..

maplot() can do this -->  ?matplot

If you want more fine control, sequentially use things like

   plot(......)
   lines(......)
   axis(...)  

   # etc

Martin Maechler <maechler at stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO D10	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
phone: x-41-1-632-3408		fax: ...-1228			<><
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use plot() for the x1,y1 points
use points() for x2,y2 points

x1<-seq(1:10)
x2<-seq(2:12)
y1<-x1+rnorm(length(x1))
y2<-.1*x2+rnorm(length(x2))
plot(x1,y1,xlim=range(x1,x2), ylim=range(y1,y2), pch=1)
points(x2,y2,pch=2)

Bill

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Whoops, made some mistakes last time

x1<-1:10
 x2<-2:12

y1<-x1+rnorm(length(x1))
y2<-.1*x2+rnorm(length(x2))
plot(x1,y1,xlim=range(x1,x2), ylim=range(y1,y2), pch=1)
points(x2,y2,pch=2)

Bill

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BISSERY Alvine <Alvine.BISSERY at hop.egp.ap-hop-paris.fr> writes:

hello,

I'd like tu superpose two graphics, I mean, be able to plot two functions on
the same graphics ..

Can someone help me ?

Use:

        par(new = TRUE)

as in:

        hist(rnorm(100, mean = 20, sd = 12))
        par(new = TRUE)
        hist(rnorm(100, mean = 22, sd = 1))

Mark


--
Mark Myatt


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