Class ParallelNegLogLikelihood

Namespace

NOpenNLP.Tools.Ml.Maxent.Quasinewton

Assembly

NOpenNLP.Tools.dll

Evaluate negative log-likelihood and its gradient in parallel

public class ParallelNegLogLikelihood : NegLogLikelihood, IFunction

Inheritance

object

NegLogLikelihood

ParallelNegLogLikelihood

Implements

IFunction

Inherited Members

NegLogLikelihood.dimension

NegLogLikelihood.numOutcomes

NegLogLikelihood.numFeatures

NegLogLikelihood.numContexts

NegLogLikelihood.values

NegLogLikelihood.contexts

NegLogLikelihood.outcomeList

NegLogLikelihood.numTimesEventsSeen

NegLogLikelihood.tempSums

NegLogLikelihood.expectation

NegLogLikelihood.gradient

NegLogLikelihood.Dimension

NegLogLikelihood.GetInitialPoint()

NegLogLikelihood.IndexOf(int, int)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

ParallelNegLogLikelihood(IDataIndexer, int)

public ParallelNegLogLikelihood(IDataIndexer indexer, int threads)

Parameters

indexer IDataIndexer

threads int

Methods

GradientAt(double[])

Compute gradient

public override double[] GradientAt(double[] x)

Parameters

x double[]

Returns

double[]

ValueAt(double[])

Negative log-likelihood

public override double ValueAt(double[] x)

Parameters

x double[]

Returns

double