[R] help me

[Warnes, Gregory R]

Perhaps Davide wants to put two plots side by side, rather than
superimposed.  
In this case the necessary commands are,

par(mfrow=c(1,2))  # 1 row and 2 columns
qqnorm(y1)
qqline(y1)
qqnorm(y2)
qqline(y2)
par(mfrow=c(1,1))  # switch back to 1 plot

-Greg

 >  -----Original Message-----
 >  From: Achim Zeileis [mailto:zeileis at ci.tuwien.ac.at]
 >  Sent: Tuesday, October 16, 2001 5:57 AM
 >  To: d.tarfanelli at libero.it
 >  Cc: r-help at stat.math.ethz.ch
 >  Subject: Re: [R] help me
 >  
 >  
 >  "d.tarfanelli at libero.it" wrote:
 >  > 
 >  > Hy,
 >  > I have dowloaded the R-version for Windows.
 >  > I would want to plot different pictures on the same 
 >  device, but I am not
 >  > able to do it (i.e I would like make 2 qqplot on the same 
 >  graphic).
 >  > Can you help me?
 >  
 >  You can use points() like in the following example.
 >  Z
 >  
 >  
 >  y <- rt(200, df = 5)
 >  y.q <- qqnorm(y, plot.it=FALSE)
 >  z <- rnorm(200)
 >  z.q <- qqnorm(z, plot.it=FALSE)
 >  plot(y.q)
 >  points(z.q, col=2)
 >  
 >  
 >  
 >  
 >  > Thanks in advance
 >  > Davide
 >  > 
 >  > reply to: d.tarfanelli at libero.it
 >  > 
 >  > 
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