panelcor: Adds correlations to a matrix plot
In siar: Stable Isotope Analysis in R

A simple function used by pairs to produce neat looking matrix plots. Not intended for use by those using siar.

1	panelcor(x, y, digits = 2, prefix = "", cex.cor, ...)

`x`	A numeric vector containing data with which to produce correlations
`y`	A numeric vector containing data with which to produce correlations
`digits`	Number of digits to display on plot
`prefix`	Text to add before the correlation
`cex.cor`	Multiplier for the size of the text on the plot
`...`	Other arguments