[R] square and points on the same figure

From: Sam R. Smith <samrobertsmith_at_yahoo.com>
Date: Sat 08 Oct 2005 - 19:29:33 EST


Hi,
I have the following code to
randomly generate the
points:
csr <-function(n=60){

x=runif(n)
y=runif(n)
f=cbind(x,y)

}
plot(csr())

I wonder how to code to draw a square centering on 0.5,0.5; with the length of each side to be 0.3 on the same figure with these plotted points?

Thanks,
Sam                 


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