acf function

List<double> acf(
  1. List<double> x,
  2. int maxLag
)

Implementation

List<double> acf(List<double> x, int maxLag) {
  final ac = autocov(x, maxLag);
  final g0 = ac[0].abs() < 1e-18 ? 1e-18 : ac[0];
  return List<double>.generate(ac.length, (k) => ac[k] / g0);
}