info.debatty.spark.kmedoids

Class L2Similarity

java.lang.Object

info.debatty.spark.kmedoids.L2Similarity

All Implemented Interfaces:

Similarity<double[]>, Serializable

public class L2Similarity
extends Object
implements Similarity<double[]>

Author:

Thibault Debatty

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
L2Similarity()

Method Summary

Modifier and Type	Method and Description
double	distance(double[] value1, double[] value2) Compute traditional Euclidean distance.
double	similarity(double[] value1, double[] value2) Compute similarity as 1 / (1 + distance).

Methods inherited from class java.lang.Object

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

Constructor Detail

L2Similarity

public L2Similarity()

Method Detail

distance

public final double distance(double[] value1,
                             double[] value2)

Compute traditional Euclidean distance.

Parameters:

value1 -

value2 -

Returns:

similarity

public final double similarity(double[] value1,
                               double[] value2)

Compute similarity as 1 / (1 + distance).

Specified by:

similarity in interface Similarity<double[]>

Parameters:

value1 -

value2 -

Returns: