/// <summary>
/// Creates an instance of the VW recommender using the settings from this configuration element.
/// </summary>
/// <param name="mapping">The mapping for the recommender being created.</param>
/// <returns>An instance of the VW recommender.</returns>
public override IRecommender <SplitInstanceSource <RecommenderDataset>, User, Item, int, RatingDistribution, DummyFeatureSource> Create(
IStarRatingRecommenderMapping <SplitInstanceSource <RecommenderDataset>, RatedUserItem, User, Item, int, DummyFeatureSource, Vector> mapping)
{
var recommender = VowpalWabbitRecommender <SplitInstanceSource <RecommenderDataset> > .Create(mapping);
recommender.Settings.TraitCount = this.TraitCount.Value;
recommender.Settings.BitPrecision = this.BitPrecision.Value;
recommender.Settings.LearningRate = this.LearningRate.Value;
recommender.Settings.LearningRateDecay = this.LearningRateDecay.Value;
recommender.Settings.PassCount = this.PassCount.Value;
recommender.Settings.L1Regularization = this.L1Regularization.Value;
recommender.Settings.L2Regularization = this.L2Regularization.Value;
recommender.Settings.UseUserFeatures = this.UseUserFeatures.Value;
recommender.Settings.UseItemFeatures = this.UseItemFeatures.Value;
return(recommender);
}
/// <summary>
/// Initializes a new instance of the <see cref="LazyRecommendationContext"/> class.
/// </summary>
/// <param name="recommender">The recommender.</param>
/// <param name="recommendationCount">The maximum number of items to recommend.</param>
public LazyRecommendationContext(
VowpalWabbitRecommender <TInstanceSource> recommender, int recommendationCount)
: base(recommendationCount)
{
this.recommender = recommender;
}
