| adjust_power | Adjusting power to assure actual size is within significance level | 
| boot_test | Bootstrap_t test for two-sample comparisons | 
| pauc | Power-adjustment based on non-parametric estimation of the ROC curve | 
| tcftt | tcftt: Two-Sample Tests for Skewed Data | 
| tcfu | The TCFU test | 
| tt | The transformation based test | 
| t_cornish_fisher | Cornish-Fisher expansion for Welch's t-statistic | 
| t_edgeworth | Edgeworth expansion for Welch's t-statistic |