Generate a spline basis, slightly adapted from : "Splines, knots, and penalties", Eilers 2010.

Generate a spline basis, slightly adapted from : "Splines, knots, and penalties", Eilers 2010.

bbase(N, number, deg = 3)

Arguments

N

number of data points.

number

number of spline functions.

deg

spline degree : deg = 1 linear, deg = 2 quadratic, deg = 3 cubic.

Value

spline basis as a matrix.