weka.estimators

Interface UnivariateDensityEstimator

All Known Implementing Classes:

UnivariateEqualFrequencyHistogramEstimator, UnivariateKernelEstimator, UnivariateNormalEstimator

public interface UnivariateDensityEstimator

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

Version:

$Revision: 8034 $

Author:

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

Method Summary

Methods

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.

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