Package elki.math.statistics.distribution.estimator

Interface LogMeanVarianceEstimator<D extends Distribution>

Type Parameters:

D - Distribution to estimate.

All Superinterfaces:

DistributionEstimator<D>, LogMOMDistributionEstimator<D>

All Known Implementing Classes:

LogNormalLogMOMEstimator

public interface LogMeanVarianceEstimator<D extends Distribution>
extends LogMOMDistributionEstimator<D>

Estimators that work on Mean and Variance only (i.e. the first two moments only).

Since:

0.6.0

Author:

Erich Schubert

Method Summary

Modifier and Type	Method	Description
default <A> D	estimate(A data, NumberArrayAdapter<?,A> adapter)	General form of the parameter estimation
D	estimateFromLogMeanVariance(MeanVariance mv, double shift)	Estimate the distribution from mean and variance.
default D	estimateFromLogStatisticalMoments(StatisticalMoments moments, double shift)	General form of the parameter estimation

Methods inherited from interface elki.math.statistics.distribution.estimator.DistributionEstimator

estimate, getDistributionClass

Method Detail

estimateFromLogMeanVariance

D estimateFromLogMeanVariance(MeanVariance mv,
                              double shift)

Estimate the distribution from mean and variance.

Parameters:

mv - Mean and variance.

shift - Shift that was applied to avoid negative values.

Returns:

Distribution

estimateFromLogStatisticalMoments

default D estimateFromLogStatisticalMoments(StatisticalMoments moments,
                                            double shift)

Description copied from interface: LogMOMDistributionEstimator

General form of the parameter estimation

Specified by:

estimateFromLogStatisticalMoments in interface LogMOMDistributionEstimator<D extends Distribution>

Parameters:

moments - Statistical moments

shift - Shifting offset that was used

Returns:

Estimated distribution

estimate

default <A> D estimate(A data,
                       NumberArrayAdapter<?,A> adapter)

Description copied from interface: DistributionEstimator

General form of the parameter estimation

Specified by:

estimate in interface DistributionEstimator<D extends Distribution>

Specified by:

estimate in interface LogMOMDistributionEstimator<D extends Distribution>

Parameters:

data - Data set

adapter - Number array adapter

Returns:

Estimated distribution