Ordina-ML.Net_Recommender_System

Program.cs

            var predictionFunction = model.CreatePredictionEngine<BookRating, BookRatingPrediction>(mlContext);

            var bookPrediction = predictionFunction.Predict(new BookRating
            {
                user = 91,
                bookid = 10365
            });

            Console.WriteLine($"Predicted rating: {Math.Round(bookPrediction.Score, 1)}");
            Console.ReadLine();

            Console.WriteLine("Saving model");
            using (var stream = new FileStream(
                Path.Combine(Environment.CurrentDirectory, Filenames.TrainedModel), 
                FileMode.Create, 
                FileAccess.Write, 
                FileShare.Write))
            {
                mlContext.Model.Save(model, stream);
                Console.WriteLine($"The model is saved as {Filenames.TrainedModel}");
            }

            Console.ReadLine();