Method testClone

JSAT/test/jsat/classifiers/trees/ERTreesTest.java:170–203

()

    
    @Test
    public void testClone()
    {
        System.out.println("clone");
        for(int k = 0; k < 3; k++)
        {
            boolean useCatFeatures = k < 2;
            ERTrees instance = new ERTrees();
            instance.setBinaryCategoricalSplitting(k == 1);
            
            ClassificationDataSet t1 = FixedProblems.getSimpleKClassLinear(1000, 3, RandomUtil.getRandom());
            ClassificationDataSet t2 = FixedProblems.getSimpleKClassLinear(1000, 6, RandomUtil.getRandom());
            if(useCatFeatures)
            {
                t1.applyTransform(new NumericalToHistogram(t1));
                t2.applyTransform(new NumericalToHistogram(t2));
            }

            instance = instance.clone();

            instance.trainC(t1);

            ERTrees result = instance.clone();
            for(int i = 0; i < t1.getSampleSize(); i++)
                assertEquals(t1.getDataPointCategory(i), result.classify(t1.getDataPoint(i)).mostLikely());
            result.trainC(t2);

            for(int i = 0; i < t1.getSampleSize(); i++)
                assertEquals(t1.getDataPointCategory(i), instance.classify(t1.getDataPoint(i)).mostLikely());

            for(int i = 0; i < t2.getSampleSize(); i++)
                assertEquals(t2.getDataPointCategory(i), result.classify(t2.getDataPoint(i)).mostLikely());
        }
    }
    
}