#Choose knots for spline; includes cross validation plot as standard output knots.out.bi<-knot.test.binary(knots.in=c(5:24),dat.in=Data.in.lt) #11 looks good knots ...
for the libnurbs, I had a crazy amount of compiler errors, so I tried to fix the code -- there's was a fair amount of c++ template inheritance issues that I tried to resolve. hopefully people that are ...
This example then specifies a smoothed spline interpolation method on the GRID statement. As shown by the following output, the resulting surface plot is smoother still. libname reflib ...