ambit2.similarity.measure

Class HammingDistance

java.lang.Object

ambit2.similarity.measure.HammingDistance

All Implemented Interfaces:

IDistanceFunction<int[]>

public class HammingDistance
extends Object
implements IDistanceFunction<int[]>

The Hamming distance between two strings of equal length is the number of positions for which the corresponding symbols are different/

Author:

Nina Jeliazkova

Constructor Summary

Constructors

Constructor and Description
HammingDistance()

Method Summary

Modifier and Type	Method and Description
float	getDistance(int[] object1, int[] object2) Distance should be large if objects are "far away" from each other, i.e.
float	getNativeComparison(int[] object1, int[] object2) Count only nonzero items

Methods inherited from class java.lang.Object

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

Constructor Detail

HammingDistance

public HammingDistance()

Method Detail

getDistance

public float getDistance(int[] object1,
                         int[] object2)
                  throws Exception

Description copied from interface: IDistanceFunction

Distance should be large if objects are "far away" from each other, i.e. dissimilar.

Specified by:

getDistance in interface IDistanceFunction<int[]>

Returns:

the distance

Throws:

Exception

getNativeComparison

public float getNativeComparison(int[] object1,
                                 int[] object2)
                          throws Exception

Count only nonzero items

Specified by:

getNativeComparison in interface IDistanceFunction<int[]>

Returns:

the distance

Throws:

Exception