Package etc.aloe.processes

Examples of etc.aloe.processes.FeatureExtraction

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    public void run() {

        System.out.println("== Labeling and Testing ==");

        //First extract features
        FeatureExtraction extraction = getFeatureExtractionImpl();
        ExampleSet examples = extraction.extractFeatures(segmentSet.getBasicExamples(), featureSpecification);

        this.featureValues = examples.getInstances();
       
        //Predict the labels
        Predictions predictions = this.model.getPredictions(examples);
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        //Generate the features
        FeatureGeneration generation = getFeatureGenerationImpl();
        this.featureSpecification = generation.generateFeatures(basicExamples);

        //Extract features
        FeatureExtraction extraction = getFeatureExtractionImpl();
        ExampleSet examples = extraction.extractFeatures(basicExamples, this.featureSpecification);

        //Train the model
        Training training = getTrainingImpl();
        this.featureValues = examples.getInstances();
        this.model = training.train(examples);
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                FeatureGeneration generation = getFeatureGenerationImpl();
                System.out.println("- Generating features");
                FeatureSpecification spec = generation.generateFeatures(basicTrainingExamples);

                FeatureExtraction extraction = getFeatureExtractionImpl();
                System.out.println("- Extracting features from training set");
                ExampleSet trainingSet = extraction.extractFeatures(basicTrainingExamples, spec);
                basicTrainingExamples = null;

                Training training = getTrainingImpl();
                Model model = training.train(trainingSet);
                trainingSet = null;
               
                System.out.println("- Splitting out test set");
                SegmentSet testingSegments = new SegmentSet();
                testingSegments.setSegments(split.getTestingForFold(segmentSet.getSegments(), foldIndex, this.folds));
                if (getBalancingImpl() != null && balanceTestSet) {
                    testingSegments = getBalancingImpl().balance(testingSegments);
                }

                System.out.println("- Extracting basic features from test set");
                ExampleSet basicTestingExamples = testingSegments.getBasicExamples();

                System.out.println("- Extracting features from test set");
                ExampleSet testingSet = extraction.extractFeatures(basicTestingExamples, spec);
                basicTestingExamples = null;

                Predictions predictions = model.getPredictions(testingSet);
                EvaluationReport report = new EvaluationReport("Fold " + (foldIndex + 1), falsePositiveCost, falseNegativeCost);
                report.addPredictions(predictions);
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            segment.add(message);
            SegmentSet segmentSet = new SegmentSet();
            segmentSet.add(segment);

            //First extract features
            FeatureExtraction extraction = getFeatureExtractionImpl();
            extraction.setVerbosity(Loggable.Verbosity.Quiet);

            ExampleSet examples = extraction.extractFeatures(segmentSet.getBasicExamples(), featureSpecification);

            //Predict the labels
            Predictions prediction = this.model.getPredictions(examples);

            //Map back onto messages
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Related Classes of etc.aloe.processes.FeatureExtraction

  • etc.aloe.controllers.CrossValidationController
  • etc.aloe.controllers.InteractiveController
  • etc.aloe.controllers.LabelingController
  • etc.aloe.controllers.TrainingController
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