de.lmu.ifi.dbs.elki.evaluation.scores

Class MaximumF1Evaluation

java.lang.Object

de.lmu.ifi.dbs.elki.evaluation.scores.MaximumF1Evaluation

All Implemented Interfaces:

ScoreEvaluation

public class MaximumF1Evaluation
extends java.lang.Object
implements ScoreEvaluation

Evaluate using the maximum F1 score.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MaximumF1Evaluation.Parameterizer Parameterization class.

Nested classes/interfaces inherited from interface de.lmu.ifi.dbs.elki.evaluation.scores.ScoreEvaluation

ScoreEvaluation.Predicate<T>, ScoreEvaluation.ScoreIter

Field Summary

Fields

Modifier and Type	Field and Description
static MaximumF1Evaluation	STATIC Static instance

Constructor Summary

Constructors

Constructor and Description
MaximumF1Evaluation()

Method Summary

Modifier and Type	Method and Description
<I extends ScoreEvaluation.ScoreIter> double	evaluate(ScoreEvaluation.Predicate<? super I> predicate, I iter) Evaluate a given predicate and iterator.
double	expected(int pos, int all) Expected score for a random result.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.evaluation.scores.ScoreEvaluation

evaluate

Field Detail

STATIC

public static final MaximumF1Evaluation STATIC

Static instance

Constructor Detail

MaximumF1Evaluation

public MaximumF1Evaluation()

Method Detail

evaluate

public <I extends ScoreEvaluation.ScoreIter> double evaluate(ScoreEvaluation.Predicate<? super I> predicate,
                                                             I iter)

Description copied from interface: ScoreEvaluation

Evaluate a given predicate and iterator.

Specified by:

evaluate in interface ScoreEvaluation

Type Parameters:

I - Iterator type

Parameters:

predicate - Predicate (for positives)

iter - Iterator

Returns:

Score

expected

public double expected(int pos,
                       int all)

Description copied from interface: ScoreEvaluation

Expected score for a random result.

Specified by:

expected in interface ScoreEvaluation

Parameters:

pos - Number of positive elements

all - Total number of elements

Returns:

Expected score