compute_derivative_spline: Smoothing Spline Derivative
Description
Computes derivatives by fitting a smoothing spline and differentiating it.
Usage
compute_derivative_spline(Z, t = NULL, spar = NULL, df = NULL, ...)
Value
List with derivative vector.
Arguments
- Z
Numeric vector of observations.
- t
Numeric vector of time points.
- spar
Smoothing parameter (NULL for automatic selection).
- df
Degrees of freedom (alternative to spar).
- ...
Additional arguments (ignored).