de.lmu.ifi.dbs.elki.math.linearalgebra.pca.weightfunctions
Class ConstantWeight

java.lang.Object
  de.lmu.ifi.dbs.elki.math.linearalgebra.pca.weightfunctions.ConstantWeight

All Implemented Interfaces:

WeightFunction

public final class ConstantWeight
extends Object
implements WeightFunction

Constant Weight function The result is always 1.0

Author:

Erich Schubert

Constructor Summary

ConstantWeight()

Method Summary

double

getWeight(double distance, double max, double stddev) Get the constant weight No scaling - the result is always 1.0

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantWeight

public ConstantWeight()

Method Detail

getWeight

public double getWeight(double distance,
                        double max,
                        double stddev)

Get the constant weight No scaling - the result is always 1.0

Specified by:

getWeight in interface WeightFunction

Parameters:

distance - distance of the query point

max - maximum distance of all included points

stddev - standard deviation (i.e. quadratic mean / RMS) of the included points

Returns:

weight for the query point