# Tau exstension rank correlation coefficient

### Description

Tau exstension is a new rank correlation coefficient defined by Emond and Mason (2002)

### Usage

1 |

### Arguments

`X` |
a M by N data matrix, in which there are N judges and M objects to be judged. Each row is a ranking of the objects which are represented by the columns. If there is only X as input, the output is a square matrix containing the Tau_X rcc. |

`Y` |
A row vector, or a n by M data matrix in which there are n judges and the same M objects as X to be judged. |

### Value

Tau_x rank correlation coefficient

### Author(s)

Antonio D'Ambrosio <antdambr@unina.it>

### References

Emond, E. J., & Mason, D. W. (2002). A new rank correlation coefficient with application to the consensus ranking problem. Journal of Multi-Criteria Decision Analysis, 11(1), 17-28.

### See Also

kemenyd

### Examples

1 2 3 4 |

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