Package edu.cmu.tetrad.algcomparison.algorithm.oracle.pag

Class LvLite

java.lang.Object

edu.cmu.tetrad.algcomparison.algorithm.AbstractBootstrapAlgorithm

edu.cmu.tetrad.algcomparison.algorithm.oracle.pag.LvLite

All Implemented Interfaces:

Algorithm, ReturnsBootstrapGraphs, TakesCovarianceMatrix, HasKnowledge, HasParameters, TakesIndependenceWrapper, UsesScoreWrapper, TetradSerializable, Serializable

@Algorithm(name="LV-Lite",
           command="lv-lite",
           algoType=allow_latent_common_causes)
@Bootstrapping
public class LvLite
extends AbstractBootstrapAlgorithm
implements Algorithm, UsesScoreWrapper, TakesIndependenceWrapper, HasKnowledge, ReturnsBootstrapGraphs, TakesCovarianceMatrix

This class represents the LV-Lite algorithm, which is an implementation of the GFCI algorithm for learning causal structures from observational data using the BOSS algorithm as an initial CPDAG and using all score-based steps afterward.

Author:

josephramsey

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
LvLite()	This class represents a LV-Lite algorithm.
LvLite(IndependenceWrapper test, ScoreWrapper score)	LV-Lite is a class that represents a LV-Lite algorithm.

Method Summary

Modifier and Type	Method	Description
Graph	getComparisonGraph(Graph graph)	Retrieves a comparison graph by transforming a true directed graph into a partially directed graph (PAG).
DataType	getDataType()	Retrieves the data type required by the search algorithm.
String	getDescription()	Returns a short, one-line description of this algorithm.
IndependenceWrapper	getIndependenceWrapper()	Returns the independence wrapper.
Knowledge	getKnowledge()	Retrieves the knowledge object associated with this method.
List<String>	getParameters()	Retrieves the list of parameters used by the algorithm.
ScoreWrapper	getScoreWrapper()	Retrieves the ScoreWrapper object associated with this method.
Graph	runSearch(DataModel dataModel, Parameters parameters)	Runs the search algorithm to find a graph structure based on a given data model and parameters.
void	setIndependenceWrapper(IndependenceWrapper independenceWrapper)	Sets the independence wrapper.
void	setKnowledge(Knowledge knowledge)	Sets the knowledge object associated with this method.
void	setScoreWrapper(ScoreWrapper score)	Sets the score wrapper for the algorithm.

Methods inherited from class edu.cmu.tetrad.algcomparison.algorithm.AbstractBootstrapAlgorithm

getBootstrapGraphs, search

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.cmu.tetrad.algcomparison.algorithm.Algorithm

search

Methods inherited from interface edu.cmu.tetrad.algcomparison.algorithm.ReturnsBootstrapGraphs

getBootstrapGraphs

Constructor Details

LvLite

public LvLite()

This class represents a LV-Lite algorithm.

The LV-Lite algorithm is a bootstrap algorithm that runs a search algorithm to find a graph structure based on a given data set and parameters. It is a subclass of the Abstract BootstrapAlgorithm class and implements the Algorithm interface.

See Also:

• AbstractBootstrapAlgorithm
• Algorithm

LvLite

public LvLite(IndependenceWrapper test,
 ScoreWrapper score)

LV-Lite is a class that represents a LV-Lite algorithm.

The LV-Lite algorithm is a bootstrap algorithm that runs a search algorithm to find a graph structure based on a given data set and parameters. It is a subclass of the AbstractBootstrapAlgorithm class and implements the Algorithm interface.

Parameters:

test - The independence test to use.

score - The score to use.

See Also:

• AbstractBootstrapAlgorithm
• Algorithm

Method Details

runSearch

public Graph runSearch(DataModel dataModel,
 Parameters parameters)
                throws InterruptedException

Runs the search algorithm to find a graph structure based on a given data model and parameters.

Parameters:

dataModel - The data model to use for the search algorithm.

parameters - The parameters to configure the search algorithm.

Returns:

The resulting graph structure.

Throws:

IllegalArgumentException - if the time lag is greater than 0 and the data model is not an instance of DataSet.

InterruptedException

getComparisonGraph

public Graph getComparisonGraph(Graph graph)

Retrieves a comparison graph by transforming a true directed graph into a partially directed graph (PAG).

Specified by:

getComparisonGraph in interface Algorithm

Parameters:

graph - The true directed graph, if there is one.

Returns:

The comparison graph.

getDescription

public String getDescription()

Returns a short, one-line description of this algorithm. The description is generated by concatenating the descriptions of the test and score objects associated with this algorithm.

Specified by:

getDescription in interface Algorithm

Returns:

The description of this algorithm.

getDataType

public DataType getDataType()

Retrieves the data type required by the search algorithm.

Specified by:

getDataType in interface Algorithm

Returns:

The data type required by the search algorithm.

getParameters

public List<String> getParameters()

Retrieves the list of parameters used by the algorithm.

Specified by:

getParameters in interface HasParameters

Returns:

The list of parameters used by the algorithm.

getKnowledge

public Knowledge getKnowledge()

Retrieves the knowledge object associated with this method.

Specified by:

getKnowledge in interface HasKnowledge

Returns:

The knowledge object.

setKnowledge

public void setKnowledge(Knowledge knowledge)

Sets the knowledge object associated with this method.

Specified by:

setKnowledge in interface HasKnowledge

Parameters:

knowledge - the knowledge object to be set

getScoreWrapper

public ScoreWrapper getScoreWrapper()

Retrieves the ScoreWrapper object associated with this method.

Specified by:

getScoreWrapper in interface UsesScoreWrapper

Returns:

The ScoreWrapper object associated with this method.

setScoreWrapper

public void setScoreWrapper(ScoreWrapper score)

Sets the score wrapper for the algorithm.

Specified by:

setScoreWrapper in interface UsesScoreWrapper

Parameters:

score - the score wrapper.

getIndependenceWrapper

public IndependenceWrapper getIndependenceWrapper()

Description copied from interface: TakesIndependenceWrapper

Returns the independence wrapper.

Specified by:

getIndependenceWrapper in interface TakesIndependenceWrapper

Returns:

the independence wrapper.

setIndependenceWrapper

public void setIndependenceWrapper(IndependenceWrapper independenceWrapper)

Description copied from interface: TakesIndependenceWrapper

Sets the independence wrapper.

Specified by:

setIndependenceWrapper in interface TakesIndependenceWrapper

Parameters:

independenceWrapper - the independence wrapper.