ai.libs.hasco.knowledgebase

Class FANOVAParameterImportanceEstimator

java.lang.Object

ai.libs.hasco.knowledgebase.FANOVAParameterImportanceEstimator

All Implemented Interfaces:

IParameterImportanceEstimator

public class FANOVAParameterImportanceEstimator
extends java.lang.Object
implements IParameterImportanceEstimator

Parameter importance estimator using fANOVA.

Constructor Summary

Constructors

Constructor and Description
FANOVAParameterImportanceEstimator(PerformanceKnowledgeBase performanceKnowledgeBase, java.lang.String benchmarkName, int minNumSamples, double importanceThreshold)
FANOVAParameterImportanceEstimator(java.lang.String benchmarkName, int minNumSamples, double importanceThreshold)

Method Summary

Modifier and Type	Method and Description
java.util.Map<java.lang.String,java.lang.Double>	computeImportanceForSingleComponent(Component component) Computes importance values for individual components.
java.util.Set<java.lang.String>	extractImportantParameters(ComponentInstance composition, boolean recompute) Extract important parameters for subsets of size sizeOfLargestSubsetToConsider.
int	getNumberPrunedParameters() Returns the number of parameters that have been pruned
PerformanceKnowledgeBase	getPerformanceKnowledgeBase() Get the performance knowledge base used for parameter importance estimation
java.util.Set<java.lang.String>	getPrunedParameters()
boolean	readyToEstimateImportance(ComponentInstance composition) Checks whether the estimator is ready to estimate parameter importance for the composition
void	setPerformanceKnowledgeBase(PerformanceKnowledgeBase performanceKnowledgeBase) Set the performance knowledge base used for parameter importance estimation

Methods inherited from class java.lang.Object

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

Constructor Detail

FANOVAParameterImportanceEstimator

public FANOVAParameterImportanceEstimator(PerformanceKnowledgeBase performanceKnowledgeBase,
                                          java.lang.String benchmarkName,
                                          int minNumSamples,
                                          double importanceThreshold)

FANOVAParameterImportanceEstimator

public FANOVAParameterImportanceEstimator(java.lang.String benchmarkName,
                                          int minNumSamples,
                                          double importanceThreshold)

Method Detail

extractImportantParameters

public java.util.Set<java.lang.String> extractImportantParameters(ComponentInstance composition,
                                                                  boolean recompute)
                                                           throws ExtractionOfImportantParametersFailedException

Extract important parameters for subsets of size sizeOfLargestSubsetToConsider. Importance values are put into the importance dictionary. To recompute them, the flag recompute can be set.

Specified by:

extractImportantParameters in interface IParameterImportanceEstimator

Parameters:

composition -

importanceThreshold -

sizeOfLargestSubsetsToConsider -

Returns:

Throws:

java.lang.Exception

ExtractionOfImportantParametersFailedException

computeImportanceForSingleComponent

public java.util.Map<java.lang.String,java.lang.Double> computeImportanceForSingleComponent(Component component)

Computes importance values for individual components.

Specified by:

computeImportanceForSingleComponent in interface IParameterImportanceEstimator

Returns:

readyToEstimateImportance

public boolean readyToEstimateImportance(ComponentInstance composition)

Description copied from interface: IParameterImportanceEstimator

Checks whether the estimator is ready to estimate parameter importance for the composition

Specified by:

readyToEstimateImportance in interface IParameterImportanceEstimator

Returns:

true if the estimator is ready, false otherwise

getPerformanceKnowledgeBase

public PerformanceKnowledgeBase getPerformanceKnowledgeBase()

Description copied from interface: IParameterImportanceEstimator

Get the performance knowledge base used for parameter importance estimation

Specified by:

getPerformanceKnowledgeBase in interface IParameterImportanceEstimator

Returns:

the performanceKnowledgeBase

setPerformanceKnowledgeBase

public void setPerformanceKnowledgeBase(PerformanceKnowledgeBase performanceKnowledgeBase)

Description copied from interface: IParameterImportanceEstimator

Set the performance knowledge base used for parameter importance estimation

Specified by:

setPerformanceKnowledgeBase in interface IParameterImportanceEstimator

Parameters:

performanceKnowledgeBase - the performanceKnowledgeBase to set

getNumberPrunedParameters

public int getNumberPrunedParameters()

Description copied from interface: IParameterImportanceEstimator

Returns the number of parameters that have been pruned

Specified by:

getNumberPrunedParameters in interface IParameterImportanceEstimator

Returns:

number of pruned parameters

getPrunedParameters

public java.util.Set<java.lang.String> getPrunedParameters()

Specified by:

getPrunedParameters in interface IParameterImportanceEstimator