nz.ac.waikato.mcennis.rat.reusablecores.distance
Class DotProductDistance

java.lang.Object
  nz.ac.waikato.mcennis.rat.reusablecores.distance.DotProductDistance

All Implemented Interfaces:

DistanceFunction

public class DotProductDistance
extends java.lang.Object
implements DistanceFunction

distance measure of dot-product of the two vectors as vectors in a Euclidean space.

Constructor Summary

DotProductDistance()

Method Summary

double	distance(DataVector inst1, DataVector inst2) Return the distance between the two given vectors as a double.
DotProductDistance	prototype()

Methods inherited from class java.lang.Object

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

Constructor Detail

DotProductDistance

public DotProductDistance()

Method Detail

distance

public double distance(DataVector inst1,
                       DataVector inst2)

Description copied from interface: DistanceFunction

Return the distance between the two given vectors as a double.

Specified by:

distance in interface DistanceFunction

Parameters:

inst1 - left data vector

inst2 - right data vector

Returns:

distance by a given metric

prototype

public DotProductDistance prototype()

Specified by:

prototype in interface DistanceFunction