This code is based on Dr. Gavin Simpson's blog post https://fromthebottomoftheheap.net/2016/12/15/simultaneous-interval-revisited/.
getmasd(mod, newdat, nsim, term)
A vector of maxima of absolute standard deviations.
Object of class "striprawdata", returned from strip_rawdata
.
Grid of values over which to create a simultaneous confidence interval.
Number of Monte Carlo samples.
Character vector of smooth terms.