MovieRecommender: UseModelForSinglePrediction

Program.cs

        public static void UseModelForSinglePrediction(MLContext mlContext, ITransformer model)
        {
            Console.WriteLine("=============== Making a prediction ===============");
            var predictionEngine = mlContext.Model.CreatePredictionEngine<MovieRating, MovieRatingPrediction>(model);

            var testInput = new MovieRating { userId = 6, movieId = 10 };

            var movieRatingPrediction = predictionEngine.Predict(testInput);

            if (Math.Round(movieRatingPrediction.Score, 1) > 3.5)
                Console.WriteLine("Movie " + testInput.movieId + " is recommended for user " + testInput.userId);
            else
                Console.WriteLine("Movie " + testInput.movieId + " is not recommended for user " + testInput.userId);
        }