ClusterRanking (Apache Commons Math 4.0-beta1)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ClusterRanking
```
Evaluates the quality of a set of clusters. It is assumed that
- rank is positive,
- higher rank means better clustering.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`double`	`compute(List<? extends Cluster<? extends Clusterable>> clusters)`	Computes the rank (higher is better).

- Method Detail
  - compute
```
double compute(List<? extends Cluster<? extends Clusterable>> clusters)
```
    Computes the rank (higher is better).
    
    Parameters:
    
    clusters - Clusters to be evaluated.
    
    Returns:
    
    the rank of the provided clusters.