ai.libs.jaicore.ml.core.dataset.sampling.inmemory.casecontrol

Class CaseControlLikeSampling<I extends IInstance>

java.lang.Object

ai.libs.jaicore.basic.algorithm.AAlgorithm<IDataset<I>,IDataset<I>>

ai.libs.jaicore.ml.core.dataset.sampling.inmemory.ASamplingAlgorithm<I>

ai.libs.jaicore.ml.core.dataset.sampling.inmemory.casecontrol.CaseControlLikeSampling<I>

All Implemented Interfaces:

ai.libs.jaicore.basic.algorithm.IAlgorithm<IDataset<I>,IDataset<I>>, ai.libs.jaicore.basic.Cancelable, ai.libs.jaicore.basic.ILoggingCustomizable, java.lang.Iterable<ai.libs.jaicore.basic.algorithm.events.AlgorithmEvent>, java.util.concurrent.Callable<IDataset<I>>, java.util.Iterator<ai.libs.jaicore.basic.algorithm.events.AlgorithmEvent>

Direct Known Subclasses:

CaseControlSampling, ClassifierWeightedSampling, PilotEstimateSampling

public abstract class CaseControlLikeSampling<I extends IInstance>
extends ASamplingAlgorithm<I>

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>>	probabilityBoundaries
protected java.util.Random	rand

Fields inherited from class ai.libs.jaicore.ml.core.dataset.sampling.inmemory.ASamplingAlgorithm

sample, sampleSize

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CaseControlLikeSampling(IDataset<I> input)

Method Summary

Modifier and Type	Method and Description
protected java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>>	calculateInstanceBoundaries(java.util.HashMap<java.lang.Object,java.lang.Integer> classOccurrences, int numberOfClasses)
protected java.util.HashMap<java.lang.Object,java.lang.Integer>	countClassOccurrences(IDataset<I> dataset) Count occurrences of every class.
java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>>	getProbabilityBoundaries()
void	setProbabilityBoundaries(java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>> probabilityBoundaries)

Methods inherited from class ai.libs.jaicore.ml.core.dataset.sampling.inmemory.ASamplingAlgorithm

call, doInactiveStep, setSampleSize

Methods inherited from class ai.libs.jaicore.basic.algorithm.AAlgorithm

activate, announceTimeoutDetected, avoidReinterruptionOnShutdownOnCurrentThread, cancel, checkAndConductTermination, checkTermination, computeTimeoutAware, getActivationTime, getConfig, getId, getInput, getLoggerName, getNumCPUs, getRemainingTimeToDeadline, getState, getTimeout, getTimeoutPrecautionOffset, hasNext, hasThreadBeenInterruptedDuringShutdown, interruptThreadAsPartOfShutdown, isCanceled, isShutdownInitialized, isStopCriterionSatisfied, isTimeouted, iterator, next, post, registerActiveThread, registerListener, resolveShutdownInterruptOnCurrentThread, setConfig, setLoggerName, setMaxNumThreads, setNumCPUs, setState, setTimeout, setTimeout, setTimeoutPrecautionOffset, shutdown, terminate, unregisterActiveThread, unregisterThreadAndShutdown

Methods inherited from class java.lang.Object

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

Methods inherited from interface ai.libs.jaicore.basic.algorithm.IAlgorithm

nextWithException

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Detail

rand

protected java.util.Random rand

probabilityBoundaries

protected java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I extends IInstance,java.lang.Double>> probabilityBoundaries

Constructor Detail

CaseControlLikeSampling

protected CaseControlLikeSampling(IDataset<I> input)

Method Detail

getProbabilityBoundaries

public java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>> getProbabilityBoundaries()

setProbabilityBoundaries

public void setProbabilityBoundaries(java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>> probabilityBoundaries)

countClassOccurrences

protected java.util.HashMap<java.lang.Object,java.lang.Integer> countClassOccurrences(IDataset<I> dataset)

Count occurrences of every class. Needed to determine the probability for all instances of that class

Parameters:

dataset - Dataset of the sample algorithm object

Returns:

HashMap of occurrences

Throws:

java.lang.ClassNotFoundException

calculateInstanceBoundaries

protected java.util.List<ai.libs.jaicore.basic.sets.SetUtil.Pair<I,java.lang.Double>> calculateInstanceBoundaries(java.util.HashMap<java.lang.Object,java.lang.Integer> classOccurrences,
                                                                                                                  int numberOfClasses)