de.spieleck.app.cngram
Class C2aMetric

java.lang.Object
  de.spieleck.app.cngram.C2aMetric

All Implemented Interfaces:

NGramMetric

public class C2aMetric
extends java.lang.Object
implements NGramMetric

This metric is based on a loose interpretation of the Chi^2 formula.

Version:

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

Author:

frank nestel, $Author: nestefan $

Constructor Summary

C2aMetric()

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

C2aMetric

public C2aMetric()

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.