I am plotting a heatmap using the hist2d function:
require("gplots")
x <- rnorm(2000)
y <- rnorm(2000)
hist2d(x, y, freq=TRUE, nbins=50, col = c("white",heat.colors(256)))
However, I would like to flip the vertical y axis so that the upper
left corner serves as the y-origin. How can I do that?
Ralf
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