Package edu.cmu.tetrad.algcomparison.score

Class GicScores

java.lang.Object

edu.cmu.tetrad.algcomparison.score.GicScores

All Implemented Interfaces:

ScoreWrapper, HasParameters, TetradSerializable, Serializable

@Score(name="Generalized Information Criterion Scores",
       command="gic-scores",
       dataType={Continuous,Covariance})
@LinearGaussian
public class GicScores
extends Object
implements ScoreWrapper

The GicScores class is an implementation of the ScoreWrapper interface that calculates the Generalized Information Criterion (GIC) scores for a given data model. It is used to test the independence between variables in the data set.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
GicScores()	Constructs a new instance of the algorithm.

Method Summary

Modifier and Type	Method	Description
DataType	getDataType()	Returns the data type that the search requires, whether continuous, discrete, or mixed.
String	getDescription()	Returns a short of this independence test.
List<String>	getParameters()	Returns the parameters that this search uses.
Score	getScore(DataModel dataSet, Parameters parameters)	Returns true, iff x and y are independent, conditional on z for the given data set.
Node	getVariable(String name)	Returns the variable with the given name.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GicScores

public GicScores()

Constructs a new instance of the algorithm.

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.