[R] help me

[Achim Zeileis]

"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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