MainClassification.cs

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

    var modelEvaluator = new ModelEvaluator();

    var perceptronBinaryModel = new ModelBuilder(trainingDataLocation, new AveragedPerceptronBinaryClassifier()).BuildAndTrain();
    var perceptronBinaryMetrics = modelEvaluator.Evaluate(perceptronBinaryModel, testDataLocation);
    PrintMetrics("Perceptron", perceptronBinaryMetrics);

    var fastForestBinaryModel = new ModelBuilder(trainingDataLocation, new FastForestBinaryClassifier()).BuildAndTrain();
    var fastForestBinaryMetrics = modelEvaluator.Evaluate(fastForestBinaryModel, testDataLocation);
    PrintMetrics("Fast Forest Binary", fastForestBinaryMetrics);

    var fastTreeBinaryModel = new ModelBuilder(trainingDataLocation, new FastTreeBinaryClassifier()).BuildAndTrain();
    var fastTreeBinaryMetrics = modelEvaluator.Evaluate(fastTreeBinaryModel, testDataLocation);
    PrintMetrics("Fast Tree Binary", fastTreeBinaryMetrics);

    var linearSvmModel = new ModelBuilder(trainingDataLocation, new LinearSvmBinaryClassifier()).BuildAndTrain();
    var linearSvmMetrics = modelEvaluator.Evaluate(linearSvmModel, testDataLocation);
    PrintMetrics("Linear SVM", linearSvmMetrics);

    var logisticRegressionModel = new ModelBuilder(trainingDataLocation, new LogisticRegressionBinaryClassifier()).BuildAndTrain();
    var logisticRegressionMetrics = modelEvaluator.Evaluate(logisticRegressionModel, testDataLocation);
    PrintMetrics("Logistic Regression Binary", logisticRegressionMetrics);

    var sdcabModel = new ModelBuilder(trainingDataLocation, new StochasticDualCoordinateAscentBinaryClassifier()).BuildAndTrain();
    var sdcabMetrics = modelEvaluator.Evaluate(sdcabModel, testDataLocation);
    PrintMetrics("Stochastic Dual Coordinate Ascent Binary", logisticRegressionMetrics);

    VisualizeTenPredictionsForTheModel(fastForestBinaryModel, testDataLocation);

    Console.ReadLine();
}

You're printing the logisticRegressionMetrics for the Stochastic Dual Coordinate Ascent Binary Classifier results