| hl1_test | Two-sample location tests based on one-sample Hodges-Lehmann estimator | 
| hl2_test | Two-sample location tests based on two-sample Hodges-Lehmann estimator. | 
| hodges_lehmann | One-sample Hodges-Lehmann estimator | 
| hodges_lehmann_2sample | Two-sample Hodges-Lehmann estimator | 
| med_test | Two-sample location tests based on the sample median | 
| m_est | M-estimator of location | 
| m_test | Two sample location test based on M-estimators | 
| m_test_statistic | Test statistics for the M-tests | 
| rob_perm_statistic | Robust test statistics based on robust location estimators | 
| rob_scale | Robust scale estimators based on median absolute deviation | 
| trimmed_t | Test statistic for the two-sample trimmed t-test (Yuen's t-test) | 
| trimmed_test | Two-sample trimmed t-test (Yuen's t-Test) | 
| trim_mean | Trimmed mean | 
| win_mean | Winsorized mean | 
| win_var | Winsorized variance | 
| wobble | Add random noise to remove ties |