Method testClone

JSAT/test/jsat/regression/RANSACTest.java:108–136

()

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

        RANSAC instance = new RANSAC(new KernelRLS(new LinearKernel(1), 1e-1), 10, 20, 40, 5);

        RegressionDataSet t1 = FixedProblems.getLinearRegression(500, RandomUtil.getRandom());
        for(int i = 0; i < 20; i++)
            t1.addDataPoint(DenseVector.random(t1.getNumNumericalVars()), t1.getTargetValues().mean());
        RegressionDataSet t2 = FixedProblems.getLinearRegression(100, RandomUtil.getRandom());
        t2.applyTransform(new LinearTransform(t2, 1, 10));

        instance = instance.clone();

        instance.train(t1);

        RANSAC result = instance.clone();
        for (int i = 0; i < t1.getSampleSize(); i++)
            assertEquals(t1.getTargetValue(i), result.regress(t1.getDataPoint(i)), t1.getTargetValues().mean());
        result.train(t2);

        for (int i = 0; i < t1.getSampleSize(); i++)
            assertEquals(t1.getTargetValue(i), instance.regress(t1.getDataPoint(i)), t1.getTargetValues().mean());

        for (int i = 0; i < t2.getSampleSize(); i++)
            assertEquals(t2.getTargetValue(i), result.regress(t2.getDataPoint(i)), t2.getTargetValues().mean()*0.5);

    }
    
}