de.lmu.ifi.dbs.elki.math.statistics
Class EpanechnikovKernelDensityFunction

java.lang.Object
  extended by de.lmu.ifi.dbs.elki.math.statistics.EpanechnikovKernelDensityFunction
All Implemented Interfaces:
KernelDensityFunction

public final class EpanechnikovKernelDensityFunction
extends Object
implements KernelDensityFunction

Epanechnikov kernel density estimator.


Field Summary
static EpanechnikovKernelDensityFunction KERNEL
          Static instance.
 
Constructor Summary
private EpanechnikovKernelDensityFunction()
          Private, empty constructor.
 
Method Summary
 double density(double delta)
          Density contribution of a point at the given relative distance delta.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

KERNEL

public static final EpanechnikovKernelDensityFunction KERNEL
Static instance.

Constructor Detail

EpanechnikovKernelDensityFunction

private EpanechnikovKernelDensityFunction()
Private, empty constructor. Use the static instance!

Method Detail

density

public double density(double delta)
Description copied from interface: KernelDensityFunction
Density contribution of a point at the given relative distance delta.

Specified by:
density in interface KernelDensityFunction
Parameters:
delta - Relative distance
Returns:
density contribution

Release 0.4.0 (2011-09-20_1324)