Package edu.cmu.tetrad.search.utils

Interface SepsetProducer

All Known Implementing Classes:

DagSepsets, SepsetsGreedy, SepsetsMaxP, SepsetsMinP, SepsetsPossibleMsep, SepsetsSet

public interface SepsetProducer

Provides a covenience interface for classes that can generate and keep track of sepsets.

Version:

$Id: $Id

Author:

josephramsey

See Also:

• SepsetMap

Method Summary

Modifier and Type	Method	Description
double	getPValue(Node a, Node b, Set<Node> sepset)	Calculates the p-value for a statistical test a _||_ b | sepset.
double	getScore()	Returns the score of the object.
Set<Node>	getSepset(Node a, Node b, int depth)	Retrieves the sepset, which is the set of common neighbors between two given nodes.
Set<Node>	getSepsetContaining(Node a, Node b, Set<Node> s, int depth)	Retrieves a sepset containing nodes in s from the given set of nodes.
List<Node>	getVariables()	Retrieves the list of variables.
boolean	isIndependent(Node d, Node c, Set<Node> sepset)	Checks if node d is independent of node c given the set of nodes in sepset.
boolean	isUnshieldedCollider(Node i, Node j, Node k, int depth)	isUnshieldedCollider.
void	setGraph(Graph graph)	Sets the graph for the SepsetProducer object.
void	setVerbose(boolean verbose)	Sets the verbose mode of the SepsetProducer.

Method Details

getSepset

Set<Node> getSepset(Node a,
 Node b,
 int depth)
             throws InterruptedException

Retrieves the sepset, which is the set of common neighbors between two given nodes.

Parameters:

a - the first node

b - the second node

depth - the depth of the search

Returns:

the set of common neighbors between nodes a and b

Throws:

InterruptedException

getSepsetContaining

Set<Node> getSepsetContaining(Node a,
 Node b,
 Set<Node> s,
 int depth)
                       throws InterruptedException

Retrieves a sepset containing nodes in s from the given set of nodes.

Parameters:

a - the first node

b - the second node

s - the set of nodes

depth - the depth of the search

Returns:

the sepset containing nodes a and b from the given set of nodes

Throws:

InterruptedException

isUnshieldedCollider

boolean isUnshieldedCollider(Node i,
 Node j,
 Node k,
 int depth)
                      throws InterruptedException

isUnshieldedCollider.

Parameters:

i - a Node object

j - a Node object

k - a Node object

depth - the depth of the search

Returns:

a boolean

Throws:

InterruptedException

getScore

double getScore()

Returns the score of the object.

Returns:

the score value

getVariables

List<Node> getVariables()

Retrieves the list of variables.

Returns:

the list of variables as a List of Node objects.

setVerbose

void setVerbose(boolean verbose)

Sets the verbose mode of the SepsetProducer.

Parameters:

verbose - true if verbose mode is enabled, false otherwise

isIndependent

boolean isIndependent(Node d,
 Node c,
 Set<Node> sepset)
               throws InterruptedException

Checks if node d is independent of node c given the set of nodes in sepset.

Parameters:

d - the first node

c - the second node

sepset - the set of common neighbors between d and c

Returns:

true if d is independent of c, false otherwise

Throws:

InterruptedException

getPValue

double getPValue(Node a,
 Node b,
 Set<Node> sepset)
          throws InterruptedException

Calculates the p-value for a statistical test a _||_ b | sepset.

Parameters:

a - the first node

b - the second node

sepset - the set of nodes

Returns:

the p-value for the statistical test

Throws:

InterruptedException

setGraph

void setGraph(Graph graph)

Sets the graph for the SepsetProducer object.

Parameters:

graph - the graph to set