Method testClone

JSAT/test/jsat/classifiers/boosting/BaggingTest.java:142–175

()

    }

    @Test
    public void testClone()
    {
        System.out.println("clone");

        Bagging instance = new Bagging((Classifier)new DecisionTree());

        ClassificationDataSet t1 = FixedProblems.getCircles(1000, 0.1, 10.0);
        ClassificationDataSet t2 = FixedProblems.getCircles(1000, 0.1, 10.0);
        
        t2.applyTransform(new LinearTransform(t2));

        int errors;
        
        instance = instance.clone();

        instance.trainC(t1);

        Bagging result = instance.clone();
        
        errors = 0;
        for (int i = 0; i < t1.getSampleSize(); i++)
            errors += Math.abs(t1.getDataPointCategory(i) -  result.classify(t1.getDataPoint(i)).mostLikely());
        assertTrue(errors < 100);
        result.trainC(t2);

        for (int i = 0; i < t1.getSampleSize(); i++)
            errors += Math.abs(t1.getDataPointCategory(i) -  instance.classify(t1.getDataPoint(i)).mostLikely());
        assertTrue(errors < 100);

        for (int i = 0; i < t2.getSampleSize(); i++)
            errors += Math.abs(t2.getDataPointCategory(i) -  result.classify(t2.getDataPoint(i)).mostLikely());
        assertTrue(errors < 100);
    }
    
}