This function adds N interpolation points to the spline parameters before an observation period for burn-in. The \(t\) values are set at yearly intervals, and the \(y\) values that serve as a basis. See Hindcasting
This function adds N interpolation points to the spline parameters before an observation period for burn-in. The \(t\) values are set at yearly intervals, and the \(y\) values that serve as a basis. See Hindcasting