This layer adds confidence interval lines to smooth, random or parametric effect plots.
l_ciLine(level = 0.95, mul = NULL, ...)An object of class gamLayer.
coverage level (e.g. 0.9 means 90% intervals). Should be in (0, 1).
number multiplied by the standard errors when calculating
standard error curves. By default NULL, if
set to a positive number it will over-ride level.
graphical arguments to be passed to ggplot2::geom_line.
See plot.mgcv.smooth.1D, plot.ptermNumeric or plot.random.effect for examples.