| one_combination | Generate symbolic expression for expectation |
| uM | Unbiased central moment estimates |
| uM2 | Unbiased central moment estimates |
| uM2M3 | Unbiased central moment estimates |
| uM2M3pool | Pooled central moment estimates - two-sample |
| uM2M4 | Unbiased central moment estimates |
| uM2M4pool | Pooled central moment estimates - two-sample |
| uM2pool | Pooled central moment estimates - two-sample |
| uM2pow2 | Unbiased central moment estimates |
| uM2pow2pool | Pooled central moment estimates - two-sample |
| uM2pow3 | Unbiased central moment estimates |
| uM2pow3pool | Pooled central moment estimates - two-sample |
| uM3 | Unbiased central moment estimates |
| uM3pool | Pooled central moment estimates - two-sample |
| uM3pow2 | Unbiased central moment estimates |
| uM3pow2pool | Pooled central moment estimates - two-sample |
| uM4 | Unbiased central moment estimates |
| uM4pool | Pooled central moment estimates - two-sample |
| uM5 | Unbiased central moment estimates |
| uM5pool | Pooled central moment estimates - two-sample |
| uM6 | Unbiased central moment estimates |
| uM6pool | Pooled central moment estimates - two-sample |
| uMpool | Pooled central moment estimates - two-sample |