org.ujmp.core.util

Class EuclidianDistance

java.lang.Object

org.ujmp.core.util.EuclidianDistance

All Implemented Interfaces:

DistanceMeasure

public class EuclidianDistance
extends java.lang.Object
implements DistanceMeasure

This distance measure yields the euclidian distance between two samples of double values.

Constructor Summary

Constructors

Constructor and Description
EuclidianDistance()

Method Summary

Modifier and Type	Method and Description
double	getDistance(double[] sample1, double[] sample2) Get the distance between two data samples.

Methods inherited from class java.lang.Object

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

Constructor Detail

EuclidianDistance

public EuclidianDistance()

Method Detail

getDistance

public double getDistance(double[] sample1,
                          double[] sample2)
                   throws java.lang.IllegalArgumentException

Get the distance between two data samples.

Specified by:

getDistance in interface DistanceMeasure

Parameters:

sample1 - the first sample of double values

sample2 - the second sample of double values

Returns:

the distance between sample1 and sample2

Throws:

java.lang.IllegalArgumentException - if the two samples contain different amounts of values