Ternary Plot Wrapper for lattice::xyplot

This mainly exists to enable users to string together their own ternary plot functions.

panel.ternaryplot.xyplot(x, y, z, subscripts, ...)

Arguments

x	Numeric vector of values in the original space
y	Numeric vector of values in the original space
z	Numeric vector of values in the original space
subscripts	see `lattice::xyplot()`.
...	Arguments that are passed on to `lattice::panel.xyplot()`.

Plots a layer inside a panel of a lattice plot.