Class MixtureEstimator<TDist>

An estimator which is a mixture of distributions of the same type

Inheritance

Object

MixtureEstimator<TDist>

Mixture<TDist, TDomain, TThis>

Implements

Estimator<MixtureEstimator<TDist>>

Accumulator<TDist>

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Microsoft.ML.Probabilistic.Distributions

Assembly: Microsoft.ML.Probabilistic.dll

Syntax

[DataContract]
public class MixtureEstimator<TDist> : Estimator<MixtureEstimator<TDist>>, Accumulator<TDist>

Type Parameters

Name	Description
TDist	The distribution type

Constructors

MixtureEstimator()

Create a mixture model with no components

Declaration

public MixtureEstimator()

Fields

components

The components

Declaration

[DataMember]
protected List<TDist> components

Field Value

Type	Description
List<TDist>

weights

The mixing weight of each component. Does not necessarily sum to 1.

Declaration

[DataMember]
protected List<double> weights

Field Value

Type	Description
List<Double>

Properties

Components

The components of the mixture

Declaration

public IReadOnlyList<TDist> Components { get; }

Property Value

Type	Description
IReadOnlyList<TDist>

Weights

The weights of the mixture

Declaration

public IReadOnlyList<double> Weights { get; }

Property Value

Type	Description
IReadOnlyList<Double>

Methods

Add(TDist)

Add a component to the mixture. A weight of 1 is assumed

Declaration

public void Add(TDist item)

Parameters

Type	Name	Description
TDist	item	The component to add

Add(TDist, Double)

Add a component to the mixture with a given weight

Declaration

public void Add(TDist item, double weight)

Parameters

Type	Name	Description
TDist	item	The component to add
Double	weight	The weight

GetDistribution(MixtureEstimator<TDist>)

The the resulting mixture

Declaration

public MixtureEstimator<TDist> GetDistribution(MixtureEstimator<TDist> result)

Parameters

Type	Name	Description
MixtureEstimator<TDist>	result	Where to put the resulting mixture

Returns

Type	Description
MixtureEstimator<TDist>

Normalize()

Normalize the weights to add to 1

Declaration

public void Normalize()

SetToZero()

Sets the mixture to zero, by removing all components.

Declaration

public void SetToZero()

WeightSum()

The sum of the component weights

Declaration

public double WeightSum()

Returns

Type	Description
Double

Explicit Interface Implementations

Accumulator<TDist>.Clear()

Clears the estimator

Declaration

void Accumulator<TDist>.Clear()

Implements

Estimator<T>

Accumulator<T>