MovieRecommender: LoadData code

Program.cs

        public static (IDataView training, IDataView test) LoadData(MLContext mlContext)
        {
            var dataPath = Path.Combine(Environment.CurrentDirectory, "Data");
            var catalog = mlContext.Data;

            var trainingData = Path.Combine(dataPath, "recommendation-ratings-train.csv");
            var trainingDataView = catalog.LoadFromTextFile<MovieRating>(
                trainingData, hasHeader: true, separatorChar: ',');

            var testData = Path.Combine(dataPath, "recommendation-ratings-test.csv");
            var testDataView = catalog.LoadFromTextFile<MovieRating>(
                testData, hasHeader: true, separatorChar: ',');

            return (trainingDataView, testDataView);
        }