Hi,
I would like to colorize certain panels in the pairs plot below with certain
colors. How can access the panel row and column in a pairs plot to achieve this?
Cheers,
Marius
## generate data
U <- matrix(runif(4000), ncol=4)
## define panel function for colorizing the panels
mypanel <- function(x, y, ...){
points(x, y, cex=0.5, col="blue") # giving every panel the same color is
easy; how can I get different colors for different panels, say, gray for the
(2,3)-panel?
}
## scatter plot matrix
pairs(U, panel=mypanel)
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