de.spieleck.app.cngram
Class C2xMetric

java.lang.Object
  de.spieleck.app.cngram.C2xMetric

All Implemented Interfaces:

NGramMetric

public class C2xMetric
extends java.lang.Object
implements NGramMetric

ALPHA modified Chi^2 Metric without rectification of classes and with centrification between the two profiles.

Version:

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

Author:

frank nestel, $Author: nestefan $

Field Summary

static double

ALPHA

Constructor Summary

C2xMetric()

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

Field Detail

ALPHA

public static final double ALPHA

See Also:

Constant Field Values

Constructor Detail

C2xMetric

public C2xMetric()

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.