Examples with SemIm edu.cmu.tetrad.sem.SemIm used on opensource projects

Example 31 with SemIm

use of edu.cmu.tetrad.sem.SemIm in project tetrad by cmu-phil.

the class TestStandardizedSem method test5.

@Test
public void test5() {
    RandomUtil.getInstance().setSeed(582374923L);
    SemGraph graph = new SemGraph();
    graph.setShowErrorTerms(true);
    Node x1 = new ContinuousVariable("X1");
    Node x2 = new ContinuousVariable("X2");
    Node x3 = new ContinuousVariable("X3");
    graph.addNode(x1);
    graph.addNode(x2);
    graph.addNode(x3);
    graph.setShowErrorTerms(true);
    Node ex1 = graph.getExogenous(x1);
    Node ex2 = graph.getExogenous(x2);
    Node ex3 = graph.getExogenous(x3);
    graph.addDirectedEdge(x1, x3);
    graph.addDirectedEdge(x2, x3);
    // graph.addDirectedEdge(x1, x2);
    // graph.addBidirectedEdge(ex1, ex2);
    SemPm pm = new SemPm(graph);
    SemIm im = new SemIm(pm);
    DataSet dataSet = im.simulateDataRecursive(1000, false);
    TetradMatrix _dataSet = dataSet.getDoubleData();
    _dataSet = DataUtils.standardizeData(_dataSet);
    DataSet dataSetStandardized = ColtDataSet.makeData(dataSet.getVariables(), _dataSet);
    SemEstimator estimator = new SemEstimator(dataSetStandardized, im.getSemPm());
    SemIm imStandardized = estimator.estimate();
    StandardizedSemIm sem = new StandardizedSemIm(im);
    // sem.setErrorCovariance(ex1, ex2, -.24);
    assertTrue(isStandardized(sem));
}

Example 32 with SemIm

use of edu.cmu.tetrad.sem.SemIm in project tetrad by cmu-phil.

the class TestStandardizedSem method test2.

@Test
public void test2() {
    RandomUtil.getInstance().setSeed(5729384723L);
    SemGraph graph = new SemGraph();
    Node x1 = new ContinuousVariable("X1");
    Node x2 = new ContinuousVariable("X2");
    Node x3 = new ContinuousVariable("X3");
    Node x4 = new ContinuousVariable("X4");
    Node x5 = new ContinuousVariable("X5");
    graph.addNode(x1);
    graph.addNode(x2);
    graph.addNode(x3);
    graph.addNode(x4);
    graph.addNode(x5);
    graph.setShowErrorTerms(true);
    graph.addDirectedEdge(x1, x2);
    graph.addDirectedEdge(x2, x3);
    graph.addDirectedEdge(x4, x3);
    graph.addDirectedEdge(x2, x4);
    graph.addDirectedEdge(x1, x4);
    graph.addDirectedEdge(x5, x4);
    SemPm pm = new SemPm(graph);
    SemIm im = new SemIm(pm);
    StandardizedSemIm sem = new StandardizedSemIm(im);
    assertTrue(isStandardized(sem));
}

Example 33 with SemIm

use of edu.cmu.tetrad.sem.SemIm in project tetrad by cmu-phil.

the class TestStandardizedSem method test6.

@Test
public void test6() {
    // RandomUtil.getInstance().setSeed(582374923L);
    SemGraph graph = new SemGraph();
    graph.setShowErrorTerms(true);
    Node x1 = new ContinuousVariable("X1");
    Node x2 = new ContinuousVariable("X2");
    Node x3 = new ContinuousVariable("X3");
    graph.addNode(x1);
    graph.addNode(x2);
    graph.addNode(x3);
    graph.setShowErrorTerms(true);
    Node ex1 = graph.getExogenous(x1);
    Node ex2 = graph.getExogenous(x2);
    Node ex3 = graph.getExogenous(x3);
    graph.addDirectedEdge(x1, x3);
    graph.addDirectedEdge(x2, x3);
    graph.addDirectedEdge(x1, x2);
    graph.addBidirectedEdge(ex1, ex2);
    // List<List<Node>> treks = DataGraphUtils.treksIncludingBidirected(graph, x1, x3);
    // 
    // for (List<Node> trek : treks) {
    // System.out.println(trek);
    // }
    SemPm pm = new SemPm(graph);
    SemIm im = new SemIm(pm);
    DataSet dataSet = im.simulateDataRecursive(1000, false);
    TetradMatrix _dataSet = dataSet.getDoubleData();
    _dataSet = DataUtils.standardizeData(_dataSet);
    DataSet dataSetStandardized = ColtDataSet.makeData(dataSet.getVariables(), _dataSet);
    SemEstimator estimator = new SemEstimator(dataSetStandardized, im.getSemPm());
    SemIm imStandardized = estimator.estimate();
    StandardizedSemIm sem = new StandardizedSemIm(im);
    assertTrue(isStandardized(sem));
}

Example 34 with SemIm

use of edu.cmu.tetrad.sem.SemIm in project tetrad by cmu-phil.

the class TestSemXml method testRoundtrip3.

public void testRoundtrip3() {
    SemIm semIm = sampleSemIm1();
    Element element = SemXmlRenderer.getElement(semIm);
    SemXmlParser parser = new SemXmlParser();
    SemIm semIm2 = parser.getSemIm(element);
}

Example 35 with SemIm

use of edu.cmu.tetrad.sem.SemIm in project tetrad by cmu-phil.

the class TestSemXml method testRosemIm2undtrip.

public static void testRosemIm2undtrip() {
    SemIm semIm = sampleSemIm1();
    Element element = SemXmlRenderer.getElement(semIm);
    SemXmlParser parser = new SemXmlParser();
    SemIm semIm2 = parser.getSemIm(element);
}