IRecommender.EstimatePreference Method

IRecommender EstimatePreference Method

NReco.Recommender Class Library

Estimate preference for given user ID and item ID

Namespace: NReco.CF.Taste.Recommender
Assembly: NReco.Recommender (in NReco.Recommender.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C++

Copy to Clipboard Print

float EstimatePreference(
	long userID,
	long itemID
)

float EstimatePreference(
	long userID,
	long itemID
)

Function EstimatePreference ( 
	userID As Long,
	itemID As Long
) As Single

Function EstimatePreference ( 
	userID As Long,
	itemID As Long
) As Single

float EstimatePreference(
	long long userID, 
	long long itemID
)

float EstimatePreference(
	long long userID, 
	long long itemID
)

abstract EstimatePreference : 
        userID : int64 * 
        itemID : int64 -> float32

abstract EstimatePreference : 
        userID : int64 * 
        itemID : int64 -> float32

Parameters

userID: Type: System Int64
user ID whose preference is to be estimated

itemID: Type: System Int64
item ID to estimate preference for

Return Value

Type: Single
an estimated preference if the user has not expressed a preference for the item, or else the user's actual preference for the item. If a preference cannot be estimated, returns Double.NaN