Package edu.cmu.tetrad.search.work_in_progress

Class IndTestFisherZPercentIndependent

java.lang.Object

edu.cmu.tetrad.search.work_in_progress.IndTestFisherZPercentIndependent

All Implemented Interfaces:

IndependenceTest

public final class IndTestFisherZPercentIndependent
extends Object
implements IndependenceTest

Calculates independence from pooled residuals.

Author:

josephramsey

Constructor Summary

Constructors

Constructor	Description
IndTestFisherZPercentIndependent(List<DataSet> dataSets, double alpha)

Method Summary

Modifier and Type	Method	Description
IndependenceResult	checkIndependence(Node x, Node y, Set<Node> _z)
boolean	determines(List z, Node x)
double	getAlpha()	Gets the getModel significance level.
ICovarianceMatrix	getCov()	Returns the covariance matrix.
DataSet	getData()
List<DataSet>	getDataSets()	Returns the datasets for this test
double	getPercent()
int[]	getRows()
int	getSampleSize()	Returns the sample size.
List<Node>	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 at which independence judgments should be made.
void	setFdr(boolean fdr)
void	setPercent(double percent)
void	setVerbose(boolean verbose)	Sets whether this test will print verbose output.
String	toString()	Returns a string representation of this test.

Methods inherited from class java.lang.Object

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

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

checkIndependence, determines, getVariable, getVariableNames

Constructor Details

IndTestFisherZPercentIndependent

public IndTestFisherZPercentIndependent(List<DataSet> dataSets,
 double alpha)

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.

checkIndependence

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

Specified by:

checkIndependence in interface IndependenceTest

Returns:

an IndependenceResult (see).

See Also:

• IndependenceResult

getAlpha

public double getAlpha()

Gets the getModel significance level.

Specified by:

getAlpha in interface IndependenceTest

Returns:

This level.

setAlpha

public void setAlpha(double alpha)

Sets the significance level at which independence judgments should be made. Affects the cutoff for partial correlations to be considered statistically equal to zero.

Specified by:

setAlpha in interface IndependenceTest

Parameters:

alpha - This level.

getVariables

public List<Node> getVariables()

Specified by:

getVariables in interface IndependenceTest

Returns:

the list of variables over which this independence checker is capable of determinine independence relations-- that is, all the variables in the given graph or the given data set.

determines

public boolean determines(List z,
 Node x)
                   throws UnsupportedOperationException

Throws:

UnsupportedOperationException

getData

public DataSet getData()

Specified by:

getData in interface IndependenceTest

Returns:

The data model for the independence test, either a DataSet or a CovarianceMatrix.

Throws:

UnsupportedOperationException

See Also:

• DataSet
• ICovarianceMatrix
• DataModel

getCov

public ICovarianceMatrix getCov()

Description copied from interface: IndependenceTest

Returns the covariance matrix.

Specified by:

getCov in interface IndependenceTest

Returns:

This matrix.

getDataSets

public List<DataSet> getDataSets()

Description copied from interface: IndependenceTest

Returns the datasets for this test

Specified by:

getDataSets in interface IndependenceTest

Returns:

these datasets.

getSampleSize

public int getSampleSize()

Description copied from interface: IndependenceTest

Returns the sample size.

Specified by:

getSampleSize in interface IndependenceTest

Returns:

This size.

toString

public String toString()

Description copied from interface: IndependenceTest

Returns a string representation of this test.

Specified by:

toString in interface IndependenceTest

Overrides:

toString in class Object

Returns:

a string representation of this test.

getRows

public int[] getRows()

getPercent

public double getPercent()

setPercent

public void setPercent(double percent)

setFdr

public void setFdr(boolean fdr)

isVerbose

public boolean isVerbose()

Description copied from interface: IndependenceTest

Returns true if the test prints verbose output.

Specified by:

isVerbose in interface IndependenceTest

Returns:

True if the case.

setVerbose

public void setVerbose(boolean verbose)

Description copied from interface: IndependenceTest

Sets whether this test will print verbose output.

Specified by:

setVerbose in interface IndependenceTest

Parameters:

verbose - True, if so.