Package edu.cmu.tetrad.search.test

Class IndTestIndependenceFacts

java.lang.Object

edu.cmu.tetrad.search.test.IndTestIndependenceFacts

All Implemented Interfaces:

IndependenceTest

public final class IndTestIndependenceFacts
extends Object
implements IndependenceTest

Checks conditional independence against a list of conditional independence facts, manually entered.

Author:

josephramsey

Constructor Summary

Constructors

Constructor	Description
IndTestIndependenceFacts(IndependenceFacts facts)	Constructor.

Method Summary

Modifier and Type	Method	Description
IndependenceResult	checkIndependence(Node x, Node y, Set<Node> __z)	Checks independence by looking up facts in the list of facts supplied in the constructor.
boolean	determines(List<Node> z, Node y)
double	getAlpha()	Returns the significance level of the independence test.
DataModel	getData()	Returns the facts supplied in the constructor, which constutite a data model.
double	getPValue()	No p-values are available.
Node	getVariable(String name)	Returns the node with the given name.
List<Node>	getVariables()	Returns the list of variables for the facts.
IndependenceTest	indTestSubset(List<Node> vars)	Returns an Independence test for a sublist of the variables.
boolean	isVerbose()	Returns whether verbose output is to be printed.
void	setAlpha(double alpha)	Sets the significance level.
void	setVerbose(boolean verbose)	Sets whether verbose output is to be printed.

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.cmu.tetrad.search.IndependenceTest

checkIndependence, determines, getCov, getDataSets, getSampleSize, getVariableNames, toString

Constructor Details

IndTestIndependenceFacts

public IndTestIndependenceFacts(IndependenceFacts facts)

Constructor.

Parameters:

facts - The facts to check.

See Also:

• IndependenceFacts

Method Details

indTestSubset

public IndependenceTest indTestSubset(List<Node> vars)

Description copied from interface: IndependenceTest

Returns an Independence test for a sublist of the variables.

Specified by:

indTestSubset in interface IndependenceTest

Parameters:

vars - The sublist of variables.

Throws:

javax.help.UnsupportedOperationException - Not implemented.

checkIndependence

public IndependenceResult checkIndependence(Node x,
 Node y,
 Set<Node> __z)

Checks independence by looking up facts in the list of facts supplied in the constructor.

Specified by:

checkIndependence in interface IndependenceTest

Returns:

the independence result.

See Also:

• IndependenceResult

getPValue

public double getPValue()

No p-values are available.

Returns:

Double.NaN.

getVariables

public List<Node> getVariables()

Returns the list of variables for the facts.

Specified by:

getVariables in interface IndependenceTest

Returns:

This list.

getVariable

public Node getVariable(String name)

Returns the node with the given name.

Specified by:

getVariable in interface IndependenceTest

Parameters:

name - The name of the node,

Returns:

The node.

determines

public boolean determines(List<Node> z,
 Node y)

Throws:

javax.help.UnsupportedOperationException - Method not implemented.

getAlpha

public double getAlpha()

Description copied from interface: IndependenceTest

Returns the significance level of the independence test.

Specified by:

getAlpha in interface IndependenceTest

Returns:

This level.

Throws:

UnsupportedOperationException - Method not implemented.

setAlpha

public void setAlpha(double alpha)

Description copied from interface: IndependenceTest

Sets the significance level.

Specified by:

setAlpha in interface IndependenceTest

Parameters:

alpha - This level.

Throws:

UnsupportedOperationException - Method not implemented.

getData

public DataModel getData()

Returns the facts supplied in the constructor, which constutite a data model.

Specified by:

getData in interface IndependenceTest

Returns:

These facts.

See Also:

• DataSet
• ICovarianceMatrix
• DataModel

isVerbose

public boolean isVerbose()

Returns whether verbose output is to be printed.

Specified by:

isVerbose in interface IndependenceTest

Returns:

True, if so.

setVerbose

public void setVerbose(boolean verbose)

Sets whether verbose output is to be printed.

Specified by:

setVerbose in interface IndependenceTest

Parameters:

verbose - True, if so.