panel.cor: accessory function for pairs() to display Pearson correlations
Description
works as upper.panel or lower.panel argument of pairs() (package graphics).
Usage
panel.cor(x, y, digits=2, cex.cor)
Arguments
x
x element of the pairs() matrix
y
y element of the pairs() matrix
digits
number of non-zero digits to leave at the end
cex.cor
scaling factor for displayed text
References
cannibalized from an example in ?pairs (package graphics)