| g07eac | nag_rank_ci_1var Robust confidence intervals, one-sample |
| g07ebc | nag_rank_ci_2var Robust confidence intervals, two-sample |
| g08agc | nag_wilcoxon_test Performs the Wilcoxon one-sample (matched pairs) signed rank test |
| g08amc | nag_mann_whitney Performs the Mann–Whitney U test on two independent samples |