cc.mallet.cluster.neighbor_evaluator
Class RankingNeighborEvaluator

java.lang.Object
  cc.mallet.cluster.neighbor_evaluator.ClassifyingNeighborEvaluator
      cc.mallet.cluster.neighbor_evaluator.RankingNeighborEvaluator

All Implemented Interfaces:

NeighborEvaluator, java.io.Serializable

public class RankingNeighborEvaluator
extends ClassifyingNeighborEvaluator

Uses a Classifier that scores an array of Neighbors. The Classifier expects Instances with data equal to an array of Neighbors. The labeling of each Instance is a set of Integers, with labeling i corresponding the likelihood that Neighbor i is the "best" Neighbor.

Since:

1.0

Version:

1.0

Author:

"Aron Culotta"

See Also:

ClassifyingNeighborEvaluator, Serialized Form

Constructor Summary

RankingNeighborEvaluator(Classifier classifier)

Method Summary

double	evaluate(Neighbor neighbor)
double[]	evaluate(Neighbor[] neighbors)
void	reset() Reset the state of the evaluator.
java.lang.String	toString()

Methods inherited from class cc.mallet.cluster.neighbor_evaluator.ClassifyingNeighborEvaluator

getClassifier

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RankingNeighborEvaluator

public RankingNeighborEvaluator(Classifier classifier)

Parameters:

classifier - The Classifier used to assign a score to a Neighbor.

Method Detail

evaluate

public double evaluate(Neighbor neighbor)

Specified by:

evaluate in interface NeighborEvaluator

Overrides:

evaluate in class ClassifyingNeighborEvaluator

Returns:

A higher score indicates that the modified Clustering is preferred.

evaluate

public double[] evaluate(Neighbor[] neighbors)

Specified by:

evaluate in interface NeighborEvaluator

Overrides:

evaluate in class ClassifyingNeighborEvaluator

Parameters:

neighbors -

Returns:

An array containing a score for each of the elements of neighbors.

reset

public void reset()

Description copied from interface: NeighborEvaluator

Reset the state of the evaluator.

Specified by:

reset in interface NeighborEvaluator

Overrides:

reset in class ClassifyingNeighborEvaluator

toString

public java.lang.String toString()

Overrides:

toString in class ClassifyingNeighborEvaluator