Пример #1
0
  /**
   * Constructs a test using the given covariance matrix. Fourth moment statistics are not
   * caculated; it is assumed that the data are distributed as multivariate Gaussian.
   */
  public DeltaSextadTest(ICovarianceMatrix cov) {
    if (cov == null) {
      throw new NullPointerException();
    }

    this.cov = cov;
    this.N = cov.getSampleSize();
    this.numVars = cov.getVariables().size();
    this.variables = cov.getVariables();

    this.variablesHash = new HashMap<Node, Integer>();

    for (int i = 0; i < variables.size(); i++) {
      variablesHash.put(variables.get(i), i);
    }
  }
 public FindOneFactorClustersWithCausalIndicators(
     ICovarianceMatrix cov, TestType testType, double alpha) {
   this.variables = cov.getVariables();
   this.test = new ContinuousTetradTest(cov, testType, alpha);
   this.indTest = new IndTestFisherZ(cov, alpha);
   this.alpha = alpha;
   this.testType = testType;
   deltaTest = new DeltaTetradTest(cov);
   this.dataModel = cov;
   this.cov = cov;
 }
Пример #3
0
 private void setCovMatrix(ICovarianceMatrix covarianceMatrix) {
   this.covariances = covarianceMatrix;
   this.variables = covarianceMatrix.getVariables();
   this.sampleSize = covarianceMatrix.getSampleSize();
 }