Package edu.cmu.tetrad.search

Class PoissonPriorScore

java.lang.Object
edu.cmu.tetrad.search.PoissonPriorScore
All Implemented Interfaces:
Score
public class PoissonPriorScore extends Object implements Score
Implements Poisson prior score (Bryan).
Author:
Joseph Ramsey

  • Constructor Details

    • PoissonPriorScore

      public PoissonPriorScore(ICovarianceMatrix covariances)
      Constructs the score using a covariance matrix.

    • PoissonPriorScore

      public PoissonPriorScore(DataSet dataSet, boolean precomputeCovariances)
      Constructs the score using a covariance matrix.

  • Method Details

    • localScoreDiff

      public double localScoreDiff(int x, int y, int[] z)
      Specified by:
      localScoreDiff in interface Score

    • localScore

      public double localScore(int i, int... parents) throws RuntimeException
      Specified by:
      localScore in interface Score
      Parameters:
      i - The index of the node.
      parents - The indices of the node's parents.
      Returns:
      The score, or NaN if the score cannot be calculated.
      Throws:
      RuntimeException

    • getP

      public static double getP(int pn, int m0, double lambda)

    • getCovariances

      public ICovarianceMatrix getCovariances()
      Specialized scoring method for a single parent. Used to speed up the effect edges search.

    • getSampleSize

      public int getSampleSize()
      Specified by:
      getSampleSize in interface Score

    • isEffectEdge

      public boolean isEffectEdge(double bump)
      Specified by:
      isEffectEdge in interface Score

    • isVerbose

      public boolean isVerbose()

    • setVerbose

      public void setVerbose(boolean verbose)

    • getVariables

      public List<Node> getVariables()
      Specified by:
      getVariables in interface Score

    • getMaxDegree

      public int getMaxDegree()
      Specified by:
      getMaxDegree in interface Score

    • determines

      public boolean determines(List<Node> z, Node y)
      Specified by:
      determines in interface Score

    • getData

      public DataModel getData()

    • setLambda

      public void setLambda(double lambda)