View source: R/ClusterStability.R

dunn_score | R Documentation |

This function returns the Dunn score (also known as the e Dunn index) of a partition .

`dunn_score(X, labels)`

`X` |
the input dataset: either a matrix or a dataframe. |

`labels` |
the partition vector. |

The Dunn index score for this data.

J. Dunn. Well separated clusters and optimal fuzzy partitions. Journal of Cybernetics, 4:95–104, 1974.

```
dunn_score(iris[1:10,1:4], c(3,2,2,2,3,1,2,3,2,2))
# Expected : 0.5956834
```

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