weka.estimators

Interface UnivariateDensityEstimator

All Superinterfaces:

RevisionHandler

All Known Implementing Classes:

UnivariateEqualFrequencyHistogramEstimator, UnivariateKernelEstimator, UnivariateMixtureEstimator, UnivariateNormalEstimator

public interface UnivariateDensityEstimator
extends RevisionHandler

Interface that can be implemented by simple weighted univariate density estimators.

Version:

$Revision: 11318 $

Author:

Eibe Frank (eibe@cs.waikato.ac.nz)

Method Summary

Modifier and Type	Method and Description
void	addValue(double value, double weight) Adds a value to the density estimator.
double	logDensity(double value) Returns the natural logarithm of the density estimate at the given point.

Methods inherited from interface weka.core.RevisionHandler

getRevision

Method Detail

addValue

void addValue(double value,
              double weight)

Adds a value to the density estimator.

Parameters:

value - the value to add

weight - the weight of the value

logDensity

double logDensity(double value)

Returns the natural logarithm of the density estimate at the given point.

Parameters:

value - the value at which to evaluate

Returns:

the natural logarithm of the density estimate at the given value