Class VariationalMessagePassing

The variational message passing algorithm, see also
http://www.johnwinn.org/Research/VMP.html and http://en.wikipedia.org/wiki/Variational_message_passing.

Inheritance

Object

AlgorithmBase

VariationalMessagePassing

Implements

IAlgorithm

Inherited Members

AlgorithmBase.GetMessagePrototype(ChannelInfo, MessageDirection, IExpression, String, IList<QueryType>)

AlgorithmBase.ModifyFactorAttributes(IExpression, AttributeRegistry<Object, ICompilerAttribute>)

AlgorithmBase.ForEachDefaultQueryType(Action<QueryType>)

AlgorithmBase.GetQueryTypeBinding(QueryType)

AlgorithmBase.DefaultNumberOfIterations

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Microsoft.ML.Probabilistic.Algorithms

Assembly: Microsoft.ML.Probabilistic.Compiler.dll

Syntax

public class VariationalMessagePassing : AlgorithmBase, IAlgorithm

Fields

UseDerivMessages

Declaration

public bool UseDerivMessages

Field Value

Type	Description
Boolean

UseGateExitRandom

Declaration

public bool UseGateExitRandom

Field Value

Type	Description
Boolean

Properties

Name

Name of the algorithm

Declaration

public override string Name { get; }

Property Value

Type	Description
String

Overrides

AlgorithmBase.Name

ShortName

Short name of the algorithm

Declaration

public override string ShortName { get; }

Property Value

Type	Description
String

Overrides

AlgorithmBase.ShortName

Methods

GetAlgorithmConversionOperator(Type, IAlgorithm, Boolean, List<Object>)

Gets the operator which converts a message to/from another algorithm

Declaration

public override MethodReference GetAlgorithmConversionOperator(Type channelType, IAlgorithm alg2, bool isFromFactor, List<object> args)

Parameters

Type	Name	Description
Type	channelType	Type of message
IAlgorithm	alg2	The other algorithm
Boolean	isFromFactor	True if from, false if to
List<Object>	args	Where to add arguments of the operator

Returns

Type	Description
MethodReference	A method reference for the operator

Overrides

AlgorithmBase.GetAlgorithmConversionOperator(Type, IAlgorithm, Boolean, List<Object>)

GetEvidenceMethodName(List<ICompilerAttribute>)

Gets the suffix for variational message passing evidence method

Declaration

public override string GetEvidenceMethodName(List<ICompilerAttribute> factorAttributes)

Parameters

Type	Name	Description
List<ICompilerAttribute>	factorAttributes

Returns

Type	Description
String

Overrides

AlgorithmBase.GetEvidenceMethodName(List<ICompilerAttribute>)

GetOperatorMethodSuffix(List<ICompilerAttribute>)

Gets the suffix for variational message passing operator methods

Declaration

public override string GetOperatorMethodSuffix(List<ICompilerAttribute> factorAttributes)

Parameters

Type	Name	Description
List<ICompilerAttribute>	factorAttributes

Returns

Type	Description
String

Overrides

AlgorithmBase.GetOperatorMethodSuffix(List<ICompilerAttribute>)

GetVariableFactor(Boolean, Boolean)

Declaration

public override Delegate GetVariableFactor(bool derived, bool initialised)

Parameters

Type	Name	Description
Boolean	derived
Boolean	initialised

Returns

Type	Description
Delegate

Overrides

AlgorithmBase.GetVariableFactor(Boolean, Boolean)

Implements

IAlgorithm