MainRegression.cs

static void Main(string[] args)
{
    var trainingDataLocation = @"Data/hour_train.csv";
    var testDataLocation = @"Data/hour_test.csv";

    var modelEvaluator = new ModelEvaluator();

    var fastTreeModel = new ModelBuilder(trainingDataLocation, new FastTreeRegressor()).BuildAndTrain();
    var fastTreeMetrics = modelEvaluator.Evaluate(fastTreeModel, testDataLocation);
    PrintMetrics("Fast Tree", fastTreeMetrics);

    var fastForestModel = new ModelBuilder(trainingDataLocation, new FastForestRegressor()).BuildAndTrain();
    var fastForestMetrics = modelEvaluator.Evaluate(fastForestModel, testDataLocation);
    PrintMetrics("Fast Forest", fastForestMetrics);

    var poissonModel = new ModelBuilder(trainingDataLocation, new PoissonRegressor()).BuildAndTrain();
    var poissonMetrics = modelEvaluator.Evaluate(poissonModel, testDataLocation);
    PrintMetrics("Poisson", poissonMetrics);

    var gradientDescentModel = new ModelBuilder(trainingDataLocation, new OnlineGradientDescentRegressor()).BuildAndTrain();
    var gradientDescentMetrics = modelEvaluator.Evaluate(gradientDescentModel, testDataLocation);
    PrintMetrics("Online Gradient Descent", gradientDescentMetrics);

    var fastTreeTweedieModel = new ModelBuilder(trainingDataLocation, new FastTreeTweedieRegressor()).BuildAndTrain();
    var fastTreeTweedieMetrics = modelEvaluator.Evaluate(fastTreeTweedieModel, testDataLocation);
    PrintMetrics("Fast Tree Tweedie", fastTreeTweedieMetrics);

    var additiveModel = new ModelBuilder(trainingDataLocation, new GeneralizedAdditiveModelRegressor()).BuildAndTrain();
    var additiveMetrics = modelEvaluator.Evaluate(additiveModel, testDataLocation);
    PrintMetrics("Generalized Additive Model", additiveMetrics);

    var stohasticDualCorordinateAscentModel = new ModelBuilder(trainingDataLocation, new StochasticDualCoordinateAscentRegressor()).BuildAndTrain();
    var stohasticDualCorordinateAscentMetrics = modelEvaluator.Evaluate(stohasticDualCorordinateAscentModel, testDataLocation);
    PrintMetrics("Stochastic Dual Coordinate Ascent", stohasticDualCorordinateAscentMetrics);

    VisualizeTenPredictionsForTheModel(fastTreeTweedieModel, testDataLocation);

    Console.ReadLine();
}