Plots for pd and npde
npde.plot.pd(npdeObject, ...)npde.plot.npde(npdeObject, ...)
npde.plot.npd(npdeObject, ...)
a ggplot object or a list of ggplot objects (grobs)
an object returned by a call to npde or autonpde
additional arguments to be passed on to the function, to control which metric (npde, pd, npd) is used or to override graphical parameters (see the PDF document for details, as well as set.plotoptions)