[R] matching two plots

From: Rui Cardoso <rrc_at_fct.unl.pt>
Date: Thu 20 Oct 2005 - 03:27:00 EST


Hi,

I have a problem about graphics. I would like to plot two graphs: a barplot and curve. Here is the code:

> barplot(dpois(0:45,20),xlim=c(0,45),names=0:45)
> curve(dnorm(x,20,sqrt(20)),from=0,to=45,add=T)

Both graphs are drawn in the same figure, however the scale in both graphs dooes not match. For some reason the second plot is shifted to left. I think there is a problem concerning the axis scale.

Thanks a lot.

Rui



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