Interface IRatingRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues>

A mapping used by the implementations of the IRecommender<TInstanceSource, TUser, TItem, TRating, TRatingDistribution, TFeatureSource> which operate on rated data.

Inherited Members

IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>.GetInstances(TInstanceSource)

IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>.GetUser(TInstanceSource, TInstance)

IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>.GetItem(TInstanceSource, TInstance)

IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>.GetUserFeatures(TFeatureSource, TUser)

IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>.GetItemFeatures(TFeatureSource, TItem)

Namespace: Microsoft.ML.Probabilistic.Learners.Mappings

Assembly: Microsoft.ML.Probabilistic.Learners.dll

Syntax

public interface IRatingRecommenderMapping<in TInstanceSource, TInstance, TUser, TItem, out TRating, in TFeatureSource, out TFeatureValues> : IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>

Type Parameters

Name	Description
TInstanceSource	The type of a source of instances.
TInstance	The type of an instance.
TUser	The type of a user.
TItem	The type of an item.
TRating	The type of a rating.
TFeatureSource	The type of a feature source.
TFeatureValues	The type of the feature values.

Methods

GetRating(TInstanceSource, TInstance)

Extracts a rating from a given instance.

Declaration

TRating GetRating(TInstanceSource instanceSource, TInstance instance)

Parameters

Type	Name	Description
TInstanceSource	instanceSource	The source of instances providing the instance.
TInstance	instance	The instance to extract the rating from.

Returns

Type	Description
TRating	The extracted rating.

Extension Methods

RecommenderMappingExtensions.SplitToTrainTest<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>(IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>, Double, Double, Double, Double, Double, Double, Boolean)

RecommenderMappingExtensions.SplitToTrainTest<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues>(IRatingRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues>, Double, Double, Double, Double, Double, Double, Boolean)

RecommenderMappingExtensions.WithGeneratedNegativeData<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>(IRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TFeatureSource, TFeatureValues>, Double)

RecommenderMappingExtensions.ForEvaluation<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues>(IRatingRecommenderMapping<TInstanceSource, TInstance, TUser, TItem, TRating, TFeatureSource, TFeatureValues>)