plot.ppll: Plot function for prediction profile objects
Description
`plot' method for class "ppll".
Usage
# S3 method for ppll
plot(x, ...)
Arguments
x
an object of class "ppll", usually, as a result of a call to
prediction.profile.ll.
Value
A xy-plot of one minus the cross-validation error (i.e. the
prediction accuracy against prediction time step.