Hi there,
Here is the panel.cor function from ?pairs:
panel.cor <- function(x, y, digits = 2, prefix = "", cex.cor, ...)
{
usr <- par("usr"); on.exit(par(usr))
par(usr = c(0, 1, 0, 1))
r <- abs(cor(x, y))
txt <- format(c(r, 0.123456789), digits = digits)[1]
txt <- paste0(prefix, txt)
if(missing(cex.cor)) cex.cor <- 0.8/strwidth(txt)
text(0.5, 0.5, txt, cex = cex.cor * r)
}
in the following code, pairs use the panel.cor defined above:
pairs(USJudgeRatings, lower.panel = panel.smooth, upper.panel = panel.cor,
gap=0, row1attop=FALSE)
I try to change prefix = "" to prefix = "r = ", something like:
pairs(USJudgeRatings, lower.panel = panel.smooth, upper.panel = panel.cor,
prefix = "r = ",
gap=0, row1attop=FALSE)
I got lots of warnings.
How to change prefix to something else, but not change the defined panel.cor?
Thanks!
Best,
Jinsong
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