| G13CAF | Univariate time series, smoothed sample spectrum using rectangular, Bartlett, Tukey or Parzen lag window |
| G13CCF | Multivariate time series, smoothed sample cross spectrum using rectangular, Bartlett, Tukey or Parzen lag window |
| G13DNF | Multivariate time series, sample partial lag correlation matrices, χ2 statistics and significance levels |