On 10/12/07, Bert Gunter <[EMAIL PROTECTED]> wrote:
> ?levelplot()  is the standard lattice package version of image and
> automatically generates a legend.
>
> Note: if the image is expressed as a matrix, X, of nrow x ncol values, then
> (as in image()) then levelplot should be invoked with:
>
> rowindx <- seq.int(nrow(X))
> levelplot(t(X)[,rev(rowindx)],scales=list(y=list(labels=rev(rowindx),at=rowi
> ndx)),xlab="Column", ylab="Row")

Or (I think)

library(reshape)
levelplot(value ~ X1 * X2, melt(X))

And with ggplot2

library(ggplot2)
qplot(X1, X2, fill=value, data=melt(z), geom="tile")

Hadley


-- 
http://had.co.nz/

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