private static void AssignmentOnedotEight(Dictionary <int, Dictionary <int, double> > ratings, int targetUser, Similarity similarityType, double threshold, int maxNeighhbours, int maxResults, int?minimumRatings) { Console.WriteLine("\n\n## Assignment 1.8"); Console.WriteLine("------------------------------------------"); Console.WriteLine("Rating predictions for user " + targetUser + " with a minimum of " + minimumRatings + " items rated"); var neighbours = new NearestNeighbour().FindNearestNeighbour(ratings, targetUser, threshold, maxNeighhbours, similarityType); var predictions = new PredictRating().PredictTopRatings(ratings, neighbours, targetUser, 0.35, 25, 8, minimumRatings, similarityType); foreach (var prediction in predictions) { Console.WriteLine("\tUser " + targetUser + " will rate item " + prediction.Key + " with a rating of " + prediction.Value); } }
private static void AssignmentOnedotFour(Dictionary <int, Dictionary <int, double> > ratings, int targetUser, Similarity similarityType) { Console.WriteLine("\n\n## Assignment 1.4"); Console.WriteLine("------------------------------------------"); Console.WriteLine("Rating predictions for user " + targetUser); List <int> items = new List <int>(); items.Add(101); foreach (var item in items) { var prediction = new PredictRating().PredictRatingByNeighbours(ratings, targetUser, item, 0.35, 3, similarityType); Console.WriteLine("\tUser " + targetUser + " will rate item " + item + " with a rating of " + prediction); } }