Package moa.tasks
Class EvaluatePrequentialDelayed
- java.lang.Object
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- moa.AbstractMOAObject
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- moa.options.AbstractOptionHandler
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- moa.tasks.AbstractTask
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- moa.tasks.MainTask
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- moa.tasks.ClassificationMainTask
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- moa.tasks.EvaluatePrequentialDelayed
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- All Implemented Interfaces:
Configurable
,Serializable
,CapabilitiesHandler
,MOAObject
,OptionHandler
,Task
public class EvaluatePrequentialDelayed extends ClassificationMainTask
Task for evaluating a classifier on a delayed stream by testing and only training with the example after k other examples (delayed labeling).See details in:
Heitor Murilo Gomes, Albert Bifet, Jesse Read, Jean Paul Barddal, Fabricio Enembreck, Bernhard Pfharinger, Geoff Holmes, Talel Abdessalem. Adaptive random forests for evolving data stream classification. In Machine Learning, DOI: 10.1007/s10994-017-5642-8, Springer, 2017.- Version:
- $Revision: 1 $
- Author:
- Heitor Murilo Gomes (heitor dot gomes at telecom-paristech dot fr), Albert Bifet (abifet at cs dot waikato dot ac dot nz)
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class moa.tasks.ClassificationMainTask
events
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Fields inherited from class moa.tasks.MainTask
INSTANCES_BETWEEN_MONITOR_UPDATES, outputFileOption
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Fields inherited from class moa.options.AbstractOptionHandler
config
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Constructor Summary
Constructors Constructor Description EvaluatePrequentialDelayed()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected Object
doMainTask(TaskMonitor monitor, ObjectRepository repository)
This method performs this task.String
getPurposeString()
Dictionary with option texts and objectsClass<?>
getTaskResultType()
Gets the result type of this task.-
Methods inherited from class moa.tasks.ClassificationMainTask
defineImmutableCapabilities, getEventsList, setEventsList
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Methods inherited from class moa.tasks.MainTask
doTaskImpl
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Methods inherited from class moa.tasks.AbstractTask
doTask, doTask, getDescription, getTaskName, prepareForUseImpl
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Methods inherited from class moa.options.AbstractOptionHandler
copy, getCLICreationString, getOptions, getPreparedClassOption, prepareClassOptions, prepareForUse, prepareForUse
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Methods inherited from class moa.AbstractMOAObject
copy, measureByteSize, measureByteSize, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface moa.capabilities.CapabilitiesHandler
getCapabilities
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Methods inherited from interface moa.MOAObject
measureByteSize
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Field Detail
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learnerOption
public ClassOption learnerOption
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streamOption
public ClassOption streamOption
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evaluatorOption
public ClassOption evaluatorOption
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delayLengthOption
public IntOption delayLengthOption
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initialWindowSizeOption
public IntOption initialWindowSizeOption
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trainOnInitialWindowOption
public FlagOption trainOnInitialWindowOption
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trainInBatches
public FlagOption trainInBatches
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instanceLimitOption
public IntOption instanceLimitOption
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timeLimitOption
public IntOption timeLimitOption
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sampleFrequencyOption
public IntOption sampleFrequencyOption
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memCheckFrequencyOption
public IntOption memCheckFrequencyOption
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dumpFileOption
public FileOption dumpFileOption
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outputPredictionFileOption
public FileOption outputPredictionFileOption
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widthOption
public IntOption widthOption
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alphaOption
public FloatOption alphaOption
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trainInstances
protected LinkedList<Example> trainInstances
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Method Detail
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getPurposeString
public String getPurposeString()
Description copied from class:AbstractOptionHandler
Dictionary with option texts and objects- Specified by:
getPurposeString
in interfaceOptionHandler
- Overrides:
getPurposeString
in classAbstractOptionHandler
- Returns:
- the string with the purpose of this object
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getTaskResultType
public Class<?> getTaskResultType()
Description copied from interface:Task
Gets the result type of this task. Tasks can return LearningCurve, LearningEvaluation, Classifier, String, Instances..- Returns:
- a class object of the result of this task
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doMainTask
protected Object doMainTask(TaskMonitor monitor, ObjectRepository repository)
Description copied from class:MainTask
This method performs this task.AbstractTask
implementsdoTask
, that usesdoTaskImpl
.MainTask
implementsdoTaskImpl
usingdoMainTask
so its extensions only need to implementdoMainTask
.- Specified by:
doMainTask
in classMainTask
- Parameters:
monitor
- the TaskMonitor to userepository
- the ObjectRepository to use- Returns:
- an object with the result of this task
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