Package edu.cmu.tetrad.search.work_in_progress

Class IndTestMnlrLr

java.lang.Object

edu.cmu.tetrad.search.work_in_progress.IndTestMnlrLr

All Implemented Interfaces:

IndependenceTest

public class IndTestMnlrLr
extends Object
implements IndependenceTest

Performs a test of conditional independence X _||_ Y | Z1...Zn where all searchVariables are either continuous or discrete. This test is valid for both ordinal and non-ordinal discrete searchVariables.

Version:

$Id: $Id

Author:

bryanandrews

Constructor Summary

Constructors

Constructor	Description
IndTestMnlrLr(DataSet data, double alpha)	Constructor for IndTestMnlrLr.

Method Summary

Modifier and Type	Method	Description
IndependenceResult	checkIndependence(Node x, Node y, Set<Node> _z)	checkIndependence.
boolean	determines(List<Node> z, Node y)
double	getAlpha()	Getter for the field alpha.
DataSet	getData()	Returns the data.
List<Node>	getVariables()	getVariables.
IndependenceTest	indTestSubset(List<Node> vars)	Returns an Independence test for a sublist of the variables.
boolean	isVerbose()	Returns true if the test prints verbose output.
void	setAlpha(double alpha)	Sets the significance level.
void	setVerbose(boolean verbose)	Sets whether this test will print verbose output.
String	toString()	toString.

Methods inherited from class java.lang.Object

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

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

checkIndependence, determines, getCov, getDataSets, getSampleSize, getVariable, getVariableNames

Constructor Details

IndTestMnlrLr

public IndTestMnlrLr(DataSet data,
 double alpha)

Constructor for IndTestMnlrLr.

Parameters:

data - a DataSet object

alpha - a double

Method Details

indTestSubset

public IndependenceTest indTestSubset(List<Node> vars)

Returns an Independence test for a sublist of the variables.

Specified by:

indTestSubset in interface IndependenceTest

Parameters:

vars - The sublist of variables.

Returns:

a IndependenceTest object

checkIndependence

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

checkIndependence.

Specified by:

checkIndependence in interface IndependenceTest

Parameters:

x - a Node object

y - a Node object

_z - a Set object

Returns:

a IndependenceResult object

See Also:

• IndependenceResult

getVariables

public List<Node> getVariables()

getVariables.

Specified by:

getVariables in interface IndependenceTest

Returns:

the list of searchVariables over which this independence checker is capable of determinining independence relations.

determines

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

getAlpha

public double getAlpha()

Getter for the field alpha.

Specified by:

getAlpha in interface IndependenceTest

Returns:

the significance level of the independence test.

Throws:

UnsupportedOperationException - if there is no significance level.

setAlpha

public void setAlpha(double alpha)

Sets the significance level.

Sets the significance level.

Specified by:

setAlpha in interface IndependenceTest

Parameters:

alpha - This level.

getData

public DataSet getData()

Returns the data.

Specified by:

getData in interface IndependenceTest

Returns:

This.

See Also:

• DataSet
• ICovarianceMatrix
• DataModel

isVerbose

public boolean isVerbose()

Returns true if the test prints verbose output.

Returns whether verbose output should be printed.

Specified by:

isVerbose in interface IndependenceTest

Returns:

True if the case.

setVerbose

public void setVerbose(boolean verbose)

Sets whether this test will print verbose output.

Sets whether this test will print verbose output.

Specified by:

setVerbose in interface IndependenceTest

Parameters:

verbose - True, if so.

toString

public String toString()

toString.

Specified by:

toString in interface IndependenceTest

Overrides:

toString in class Object

Returns:

a String object