| calculateXI | Compute the cross rank coefficient xi on two vectors. |
| FRpredcor | Compute the FR coefficient on two vectors based exactly on Gamma2. |
| FRpredcorhalf | Compute the FR half coefficient on two vectors based on half Gamma 2. |
| Gamma2 | Compute the FR coefficient on two vectors based exactly on Gamma2. |
| xi | Compute the cross rank increment correlation coefficient xi. |
| xicor | Compute the cross rank increment correlation coefficient xi. |
| xicorcoefficient | Compute the cross rank coefficient xi on two vectors. |