ternarypoints to add points to a ternary diagram generated
using the ternaryplot function in the vcd library. Use
ternary diagrams to plot expected values for multinomial choice models
with three categories in the dependent variable.ternarypoints(object, pch = 19, col = "blue", ...)pch =
19, solid disks.col =
"blue".points.ternarypoints command adds points to a previously existing
ternary diagram. Use ternaryplot in the vcd library to
generate the main ternary diagram.points, and
ternaryplot.