public void Train(IUserItemRelation data)
{
_correlationLookup = ConvertToVectors(data)
.CrossPairwise((vector1, vector2) => _algorithm.ComputeCorrelation(vector1, vector2))
.ToCorrelationLookup();
_bundledItems = data.Primary.Select(u => CreateBundledItem(u, data.Association))
.ToDictionary(b => b.Item.Name);
IsTrained = true;
}
internal static CorrelationLookup ToCorrelationLookup(this IEnumerable <Correlation> correlations)
{
return(CorrelationLookup.Construct(correlations));
}
