plot method for sirspline-object"plot"(x, conf.int = TRUE, abline = TRUE, log = FALSE, type, ylab, xlab, ...)type = 'n' to plot only figure framesplot.sirspline almost every graphical parameter is user
adjustable, such as ylim, xlim.
plot.sirsplines calls lines.splines to add lines.The plot axis without lines can be plotted using option type = 'n'.
On top of the frame it's then possible to add a grid,
abline or text before plotting the lines (see: sirspline).
sir, sirspline, lines.sirspline