com.rapidminer.tools.math.kernels
Class EpanechnikovKernel

java.lang.Object
  com.rapidminer.tools.math.kernels.Kernel
      com.rapidminer.tools.math.kernels.EpanechnikovKernel

All Implemented Interfaces:

java.io.Serializable

public class EpanechnikovKernel
extends Kernel

Returns the value of the Epanechnikov kernel of both examples.

Author:

Ingo Mierswa

See Also:

Serialized Form

Field Summary

Fields inherited from class com.rapidminer.tools.math.kernels.Kernel

KERNEL_ANOVA, KERNEL_DOT, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, KERNEL_MULTIQUADRIC, KERNEL_POLYNOMIAL, KERNEL_RADIAL, KERNEL_SIGMOID, KERNEL_TYPES, PARAMETER_KERNEL_A, PARAMETER_KERNEL_B, PARAMETER_KERNEL_DEGREE, PARAMETER_KERNEL_GAMMA, PARAMETER_KERNEL_SHIFT, PARAMETER_KERNEL_SIGMA1, PARAMETER_KERNEL_SIGMA2, PARAMETER_KERNEL_SIGMA3, PARAMETER_KERNEL_TYPE

Constructor Summary

EpanechnikovKernel()

Method Summary

double	calculateDistance(double[] x1, double[] x2) Calculates kernel value of vectors x and y.
double	getDegree()
java.lang.String	getDistanceFormula(double[] x, java.lang.String[] attributeConstructions)
double	getSigma()
int	getType() Must return one out of KERNEL_DOT, KERNEL_RADIAL, KERNEL_POLYNOMIAL, KERNEL_SIGMOID, KERNEL_ANOVA, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, or KERNEL_MULTIQUADRIC.
void	setDegree(double degree)
void	setSigma(double sigma)
java.lang.String	toString()

Methods inherited from class com.rapidminer.tools.math.kernels.Kernel

createKernel, getAttributeValues, getDistance, getParameters, getSum, init, innerProduct, norm2

Methods inherited from class java.lang.Object

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

Constructor Detail

EpanechnikovKernel

public EpanechnikovKernel()

Method Detail

getType

public int getType()

Description copied from class: Kernel

Must return one out of KERNEL_DOT, KERNEL_RADIAL, KERNEL_POLYNOMIAL, KERNEL_SIGMOID, KERNEL_ANOVA, KERNEL_EPANECHNIKOV, KERNEL_GAUSSIAN_COMBINATION, or KERNEL_MULTIQUADRIC.

Specified by:

getType in class Kernel

setSigma

public void setSigma(double sigma)

getSigma

public double getSigma()

getDegree

public double getDegree()

setDegree

public void setDegree(double degree)

calculateDistance

public double calculateDistance(double[] x1,
                                double[] x2)

Calculates kernel value of vectors x and y.

Specified by:

calculateDistance in class Kernel

getDistanceFormula

public java.lang.String getDistanceFormula(double[] x,
                                           java.lang.String[] attributeConstructions)

Specified by:

getDistanceFormula in class Kernel

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object