| L4a1a1: | Plots of empirical and theoretical density and distribution functions | (0 routines) |
| L4a1a2: | Probability plots | (3 routines) |
| L4a1a3: | Probability plot correlation coefficient plots | (0 routines) |
| L4a1a4: | Parameter estimates and tests | (7 routines) |
| L4a1a5: | Transformation selection (e.g., for normality) | (0 routines) |
| L4a1a6: | Tail and outlier analysis | (2 routines) |
| L4a1a7: | Tolerance limits | (0 routines) |