[R] smoothScatter

From: Tom Hart <Tom.Hart_at_ioz.ac.uk>
Date: Fri, 14 Mar 2008 11:56:51 +0000

Hi, I have been trying to plot density plots using the example on:  


I used to use this function, but I cannot get any old code or even the example to work.  


  x1  <- matrix(rnorm(1e4), ncol=2)
  x2  <- matrix(rnorm(1e4, mean=3, sd=1.5), ncol=2)
  x   <- rbind(x1,x2)

  layout(matrix(1:4, ncol=2, byrow=TRUE))   op <- par(mar=rep(2,4))
  smoothScatter(x, nrpoints=0)
  smoothScatter(x, nrpoints=Inf,

  colors <- densCols(x)
  plot(x, col=colors, pch=20)

But I can't even get the example to work. I have installed geneplotter and RColorBrewer, but I get the messages "

Error: could not find function "smoothScatter" Error: could not find function "densCols"

I thought it was something to do with the version of R, but I've now tried it in 2.0-2.6 and nothing works. Does anyone know how to install smoothScatter and densCols separately? Any ideas?

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