org.ddogleg.clustering.gmm

Class GaussianLikelihoodManager

java.lang.Object

org.ddogleg.clustering.gmm.GaussianLikelihoodManager

public class GaussianLikelihoodManager
extends java.lang.Object

Computes the likelihood of a Gaussian distribution. Parts of the equation are precomputed to seed up the process.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	GaussianLikelihoodManager.Likelihood Likelihood for a specific Gaussian

Constructor Summary

Constructors

Constructor and Description
GaussianLikelihoodManager(int pointDimension, java.util.List<GaussianGmm_F64> mixtures)

Method Summary

Modifier and Type	Method and Description
GaussianLikelihoodManager.Likelihood	getLikelihood(int which) Returns a precomputed likelihood function
void	precomputeAll() Precomputes likelihood for all the mixtures

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GaussianLikelihoodManager

public GaussianLikelihoodManager(int pointDimension,
                                 java.util.List<GaussianGmm_F64> mixtures)

Method Detail

precomputeAll

public void precomputeAll()

Precomputes likelihood for all the mixtures

getLikelihood

public GaussianLikelihoodManager.Likelihood getLikelihood(int which)

Returns a precomputed likelihood function