public SimilarMovie[] GetSimilarMovies(Movie m, int count)
{
BestKeeper <SimilarMovie> best = new BestKeeper <SimilarMovie>(count,
(s1, s2) => Math.Sign(s2.Similarity - s1.Similarity));
foreach (var other in Movies)
{
if (other == m)
{
continue;
}
SimilarMovie sM = new SimilarMovie(other, SimilarityPearson(m, other));
best.Add(sM);
}
return(best.ToArray());
}
public SimilarUser[] GetSimilarUsers(User u, int count)
{
BestKeeper <SimilarUser> best = new BestKeeper <SimilarUser>(count,
(s1, s2) => Math.Sign(s2.Similarity - s1.Similarity));
//BestKeeper<SimilarUser> worst = new BestKeeper<SimilarUser>( count,
// (s1,s2) => Math.Sign( s1.Similarity - s2.Similarity ) );
foreach (var other in Users)
{
if (other == u)
{
continue;
}
SimilarUser sU = new SimilarUser(other, SimilarityPearson(u, other));
best.Add(sU);
}
return(best.ToArray());
}
