Arguments
x
An object specifying the fitted lines and confidence and
prediction bands, as produced by cband.
cbands
Logical argument specifying whether to plot the confidence bands.
pbands
Logical argument specifying whether to plot the prediction bands.
xlab
Character string specifying a label for the x-axis; defaults to "x".
ylab
Character string specifying a label for the y-axis; defaults to "y".
main
Character string specifying a title for the plot; if it is not
specified a default title is formed. If no title at all is desired,
specify main="".
...
Optional extra arguments; not currently used.