ItemsOnline Class Reference

Online evaluation for rankings of items More...

Static Public Member Functions
static ItemRecommendationEvaluationResults	EvaluateOnline (this IRecommender recommender, IPosOnlyFeedback test, IPosOnlyFeedback training, IList< int > test_users, IList< int > candidate_items, CandidateItems candidate_item_mode)
	Online evaluation for rankings of items More...

Detailed Description

Online evaluation for rankings of items

Member Function Documentation

static ItemRecommendationEvaluationResults EvaluateOnline ( this IRecommender  recommender, IPosOnlyFeedback  test, IPosOnlyFeedback  training, IList< int >  test_users, IList< int >  candidate_items, CandidateItems  candidate_item_mode  )

inlinestatic

Online evaluation for rankings of items

The evaluation protocol works as follows: For every test user, evaluate on the test items, and then add the those test items to the training set and perform an incremental update. The sequence of users is random.

Parameters

recommender	the item recommender to be evaluated
test	test cases
training	training data (must be connected to the recommender's training data)
test_users	a list of all test user IDs
candidate_items	a list of all candidate item IDs
candidate_item_mode	the mode used to determine the candidate items

Returns

a dictionary containing the evaluation results (averaged by user)

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The documentation for this class was generated from the following file:

• ItemsOnline.cs