de.spieleck.app.cngram
Class CosMetric

java.lang.Object
  de.spieleck.app.cngram.CosMetric

All Implemented Interfaces:

NGramMetric

public class CosMetric
extends java.lang.Object
implements NGramMetric

Cosine Metric This is nicely valued between zero and one

Version:

$Revision: 2 $ $Date: 2006-03-27 23:00:21 +0200 (Mo, 27 Mrz 2006) $ $Author: nestefan $

Author:

frank nestel, $Author: nestefan $

Constructor Summary

CosMetric()

Method Summary

double

diff(NGramProfile p1, NGramProfile p2) Return the difference between two profiles.

Methods inherited from class java.lang.Object

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

Constructor Detail

CosMetric

public CosMetric()

Method Detail

diff

public double diff(NGramProfile p1,
                   NGramProfile p2)

Description copied from interface: NGramMetric

Return the difference between two profiles.

Specified by:

diff in interface NGramMetric

Returns:

0.0 profiles considered identical, > 0 otherwise; some implementations are limited to a maximum difference of 1.0.