Computes the roughness penalty matrix defined in Ramsay et al. (Section 5.8), which is composed of the integrals of products of the second derivative of basis functions.
Computes the roughness penalty matrix defined in Ramsay et al. (Section 5.8), which is composed of the integrals of products of the second derivative of basis functions.
Value parameters
m
the order of the spline function (degree = order - 1)