edu.udo.cs.yale.operator.validation.significance
Class SignificanceTestOperator

java.lang.Object
  edu.udo.cs.yale.operator.Operator
      edu.udo.cs.yale.operator.validation.significance.SignificanceTestOperator

All Implemented Interfaces:

ConfigurationListener

Direct Known Subclasses:

AnovaSignificanceTestOperator, TTestSignificanceTestOperator

public abstract class SignificanceTestOperator
extends Operator

Determines if the null hypothesis (all actual mean values are the same) holds for the input performance vectors.

Version:

$Id: SignificanceTestOperator.java,v 1.5 2006/04/05 08:57:28 ingomierswa Exp $

Author:

Ingo Mierswa

Constructor Summary

SignificanceTestOperator(OperatorDescription description)

Method Summary

IOObject[]	apply() Writes the attribute set to a file.
java.lang.Class[]	getInputClasses() Returns the classes that are needed as input.
abstract int	getMaxSize() Returns the maximum number of performance vectors which can be compared by this significance test.
abstract int	getMinSize() Returns the minimum number of performance vectors which can be compared by this significance test.
java.lang.Class[]	getOutputClasses() Returns the classes that are guaranteed to be returned by apply() as additional output.
java.util.List<ParameterType>	getParameterTypes() Returns a list of ParameterTypes describing the parameters of this operator.
abstract SignificanceTestResult	performSignificanceTest(PerformanceVector[] allVectors, double alpha) Returns the result of the significance test for the given performance vector collection.

Methods inherited from class edu.udo.cs.yale.operator.Operator

addError, addValue, addWarning, apply, checkDeprecations, checkIO, checkProperties, clearErrorList, cloneOperator, createExperimentTree, createExperimentTree, createFromXML, createMarkedExperimentTree, delete, experimentFinished, experimentStarts, getAddOnlyAdditionalOutput, getApplyCount, getDeliveredOutputClasses, getDeprecationInfo, getDesiredInputClasses, getErrorList, getExperiment, getInnerOperatorsXML, getInput, getInput, getInput, getInputDescription, getIOContainerForInApplyLoopBreakpoint, getName, getNumberOfSteps, getOperatorClassName, getOperatorDescription, getParameter, getParameterAsBoolean, getParameterAsColor, getParameterAsDouble, getParameterAsFile, getParameterAsInt, getParameterAsString, getParameterList, getParameters, getParameterType, getParent, getStartTime, getStatus, getUserDescription, getValue, getValues, getXML, hasBreakpoint, hasBreakpoint, hasInput, inApplyLoop, isEnabled, isParameterSet, logMessage, performAdditionalChecks, register, remove, rename, resume, setBreakpoint, setEnabled, setExperiment, setInput, setListParameter, setOperatorParameters, setParameter, setParameters, setParent, setUserDescription, toString, writeXML

Methods inherited from class java.lang.Object

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

Constructor Detail

SignificanceTestOperator

public SignificanceTestOperator(OperatorDescription description)

Method Detail

performSignificanceTest

public abstract SignificanceTestResult performSignificanceTest(PerformanceVector[] allVectors,
                                                               double alpha)
                                                        throws OperatorException

Returns the result of the significance test for the given performance vector collection.

Throws:

OperatorException

getMinSize

public abstract int getMinSize()

Returns the minimum number of performance vectors which can be compared by this significance test.

getMaxSize

public abstract int getMaxSize()

Returns the maximum number of performance vectors which can be compared by this significance test.

apply

public IOObject[] apply()
                 throws OperatorException

Writes the attribute set to a file.

Specified by:

apply in class Operator

Throws:

OperatorException

getInputClasses

public java.lang.Class[] getInputClasses()

Description copied from class: Operator

Returns the classes that are needed as input. May be null or an empty (no desired input). As default, all delivered input objects are consumed and must be also delivered as output in both Operator.getOutputClasses() and Operator.apply() if this is necessary. This default behavior can be changed by overriding Operator.getInputDescription(Class). Subclasses which implement this method should not make use of parameters since this method is invoked by getParameterTypes(). Therefore, parameters are not fully available at this point of time and this might lead to exceptions. Please use InputDescriptions instead.

Specified by:

getInputClasses in class Operator

getOutputClasses

public java.lang.Class[] getOutputClasses()

Description copied from class: Operator

Returns the classes that are guaranteed to be returned by apply() as additional output. Please note that input object which should not be consumed must also be defined by this method (e.g. for preprocessing operators). The default behavior for input consumation is defined by Operator.getInputDescription(Class) and can be changed by overwriting this method. Objects which are not consumed must not be defined as additional output in this method. May be null or an empy array (no additional output is produced).

Specified by:

getOutputClasses in class Operator

getParameterTypes

public java.util.List<ParameterType> getParameterTypes()

Description copied from class: Operator

Returns a list of ParameterTypes describing the parameters of this operator. The default implementation returns an empty list if no input objects can be retained and special parameters for those input objects which can be prevented from being consumed.

Overrides:

getParameterTypes in class Operator