weka.estimators.density.kernels

Class QuarticKernel

java.lang.Object

weka.estimators.density.kernels.QuarticKernel

All Implemented Interfaces:

Serializable, Kernel

public class QuarticKernel
extends Object
implements Kernel, Serializable

Quartic kernel

Since:

0.9.0

Version:

0.13.0

Author:

pawel trajdos

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
QuarticKernel()

Method Summary

Modifier and Type	Method and Description
double	getKernelCDFValue(double x) Returns the kernel CDF value for given x.
double	getKernelPDFValue(double x) Returns the kernel PDF value for given x.
double	supportLower() Get lower value of kernel support
double	supportUpper() Get upper value of kernel support
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

QuarticKernel

public QuarticKernel()

Method Detail

getKernelPDFValue

public double getKernelPDFValue(double x)

Description copied from interface: Kernel

Returns the kernel PDF value for given x. This is the density kernel

Specified by:

getKernelPDFValue in interface Kernel

Returns:

kernel value

getKernelCDFValue

public double getKernelCDFValue(double x)

Description copied from interface: Kernel

Returns the kernel CDF value for given x. This is the cdf kernel value. The result of integration of pdf ernel value from minus infinity to x.

Specified by:

getKernelCDFValue in interface Kernel

Returns:

kernel value

toString

public String toString()

Overrides:

toString in class Object

supportLower

public double supportLower()

Description copied from interface: Kernel

Get lower value of kernel support

Specified by:

supportLower in interface Kernel

Returns:

supportUpper

public double supportUpper()

Description copied from interface: Kernel

Get upper value of kernel support

Specified by:

supportUpper in interface Kernel

Returns: