Examples with CorrelationMatrix edu.cmu.tetrad.data.CorrelationMatrix used on opensource projects

Example 1 with CorrelationMatrix

use of edu.cmu.tetrad.data.CorrelationMatrix in project tetrad by cmu-phil.

the class TestDeltaTetradTest method test4aIteratedPositives.

@Test
public void test4aIteratedPositives() {
    RandomUtil.getInstance().setSeed(482834823L);
    int numTrials = 10;
    double alpha = 0.2;
    SemIm sem = getFigure4aSem();
    int[] sampleSizes = new int[] { 100, 500, 1000, 5000 };
    double[][] answers = { { .1, .5, .2, .1, .1, .1 }, { 0.1, 0.6, 0.0, 0.0, 0.0, 0.0 }, { 0.1, 0.7, 0.2, 0.2, 0.2, 0.2 }, { 0.3, 0.7, 0.2, 0.1, 0.1, 0.1 } };
    for (int i = 0; i < 4; i++) {
        System.out.println("i = " + i);
        int sampleSize = sampleSizes[i];
        int[] count = new int[6];
        for (int k = 0; k < numTrials; k++) {
            DataSet data = sem.simulateData(sampleSize, false);
            Node x1 = data.getVariable("x1");
            Node x2 = data.getVariable("x2");
            Node x3 = data.getVariable("x3");
            Node x4 = data.getVariable("x4");
            Tetrad t1234 = new Tetrad(x1, x2, x3, x4);
            Tetrad t1342 = new Tetrad(x1, x3, x4, x2);
            Tetrad t1423 = new Tetrad(x1, x4, x2, x3);
            DeltaTetradTest test = new DeltaTetradTest(new CorrelationMatrix(data));
            double p1 = test.getPValue(t1234);
            double p2 = test.getPValue(t1342);
            double p3 = test.getPValue(t1423);
            double p4 = test.getPValue(t1234, t1342);
            double p5 = test.getPValue(t1234, t1423);
            double p6 = test.getPValue(t1342, t1423);
            if (p1 < alpha)
                count[0]++;
            if (p2 < alpha)
                count[1]++;
            if (p3 < alpha)
                count[2]++;
            if (p4 < alpha)
                count[3]++;
            if (p5 < alpha)
                count[4]++;
            if (p6 < alpha)
                count[5]++;
        }
        double[] _answer = new double[6];
        for (int j = 0; j < 6; j++) {
            double v = count[j] / (double) numTrials;
            _answer[j] = v;
        }
    // System.out.println(MatrixUtils.toString(_answer));
    // System.out.println(MatrixUtils.toString(answers[i]));
    // assertTrue(Arrays.equals(_answer, answers[i]));
    }
}