Class BgeScore

java.lang.Object
edu.cmu.tetrad.algcomparison.score.BgeScore
All Implemented Interfaces:
ScoreWrapper, HasParameters, TetradSerializable, Serializable
@Score(name="BGe Score", command="bge-score", dataType={Continuous,Covariance}) @LinearGaussian public class BgeScore extends Object implements ScoreWrapper
Wrapper for the BGe (Bayesian Gaussian equivalent) score, the Gaussian analog of BDeu: the local score is the exact log marginal likelihood of a family under a Normal-Wishart prior rather than a BIC-penalized maximum likelihood.
Author:
josephramsey
See Also:

  • Constructor Details

    • BgeScore

      public BgeScore()
      Constructs a new instance of the BGe score wrapper.

  • Method Details

    • getScore

      public Score getScore(DataModel dataSet, Parameters parameters)
      Returns true, iff x and y are independent, conditional on z for the given data set.
      Specified by:
      getScore in interface ScoreWrapper
      Parameters:
      dataSet - The data set to test independence against.
      parameters - The parameters of the test.
      Returns:
      True iff independence holds.

    • getDescription

      public String getDescription()
      Returns a short of this independence test.
      Specified by:
      getDescription in interface ScoreWrapper
      Returns:
      This description.

    • getDataType

      public DataType getDataType()
      Returns the data type that the search requires, whether continuous, discrete, or mixed.
      Specified by:
      getDataType in interface ScoreWrapper
      Returns:
      This type.

    • getParameters

      public List<String> getParameters()
      Returns the parameters that this search uses.
      Specified by:
      getParameters in interface HasParameters
      Specified by:
      getParameters in interface ScoreWrapper
      Returns:
      A list for String names of parameters.

    • getVariable

      public Node getVariable(String name)
      Returns the variable with the given name.
      Specified by:
      getVariable in interface ScoreWrapper
      Parameters:
      name - the name.
      Returns:
      the variable.