weka.estimators.density

Interface Kernel

All Known Implementing Classes:

CosineKernel, EpanechnikovKernel, GaussianKernel, GaussianKernelFast, LogisticKernel, QuarticKernel, RectangularKernel, SigmoidKernel, TriangularKernel, TriweightKernel

public interface Kernel

Kernel function for kernel estimators

Since:

0.9.0

Version:

0.9.0

Author:

pawel trajdos

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

Method Detail

getKernelPDFValue

double getKernelPDFValue(double x)

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

Parameters:

x -

Returns:

kernel value

Since:

0.9.0

getKernelCDFValue

double getKernelCDFValue(double x)

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.

Parameters:

x -

Returns:

kernel value

Since:

0.9.0

supportLower

double supportLower()

Get lower value of kernel support

Returns:

supportUpper

double supportUpper()

Get upper value of kernel support

Returns: