Class GmeansSampling<I extends IClusterableInstance,D extends org.api4.java.ai.ml.core.dataset.supervised.ILabeledDataset<I>>
- java.lang.Object
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- ai.libs.jaicore.basic.algorithm.AAlgorithm<D,D>
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- ai.libs.jaicore.ml.core.filter.sampling.inmemory.ASamplingAlgorithm<D>
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- ai.libs.jaicore.ml.core.filter.sampling.inmemory.ClusterSampling<I,D>
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- ai.libs.jaicore.ml.core.filter.sampling.inmemory.GmeansSampling<I,D>
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- All Implemented Interfaces:
java.lang.Iterable<org.api4.java.algorithm.events.IAlgorithmEvent>
,java.util.concurrent.Callable<D>
,java.util.Iterator<org.api4.java.algorithm.events.IAlgorithmEvent>
,org.api4.java.ai.ml.core.filter.unsupervised.sampling.ISamplingAlgorithm<D>
,org.api4.java.algorithm.IAlgorithm<D,D>
,org.api4.java.common.control.ICancelable
,org.api4.java.common.control.ILoggingCustomizable
,org.api4.java.common.event.IEventEmitter<java.lang.Object>
,org.api4.java.common.event.IRelaxedEventEmitter
public class GmeansSampling<I extends IClusterableInstance,D extends org.api4.java.ai.ml.core.dataset.supervised.ILabeledDataset<I>> extends ClusterSampling<I,D>
Implementation of a sampling method using gmeans-clustering. This algorithm produces clusters of the given points and checks weather all points in a cluster have the same target Attribute. If yes only the point nearest to the center is added, otherwise the whole cluster is added to the sample.Caution: This does ignore the given sample size!
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Field Summary
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Fields inherited from class ai.libs.jaicore.ml.core.filter.sampling.inmemory.ClusterSampling
clusterResults, currentCluster, distanceMeassure, seed
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Fields inherited from class ai.libs.jaicore.ml.core.filter.sampling.inmemory.ASamplingAlgorithm
sample, sampleSize
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Constructor Summary
Constructors Constructor Description GmeansSampling(int maxIterationsInInnerLoop, long seed, D input)
GmeansSampling(int maxIterationsInInnerLoop, long seed, org.apache.commons.math3.ml.distance.DistanceMeasure dist, D input)
GmeansSampling(long seed, D input)
GmeansSampling(long seed, org.apache.commons.math3.ml.distance.DistanceMeasure dist, D input)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description org.api4.java.algorithm.events.IAlgorithmEvent
nextWithException()
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Methods inherited from class ai.libs.jaicore.ml.core.filter.sampling.inmemory.ClusterSampling
doAlgorithmStep, getClusterResults, setClusterResults, setDistanceMeassure
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Methods inherited from class ai.libs.jaicore.ml.core.filter.sampling.inmemory.ASamplingAlgorithm
call, doInactiveStep, getComplementOfLastSample, getLogger, getLoggerName, getSampleSize, nextSample, setLoggerName, setSampleSize, setSampleSize
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Methods inherited from class ai.libs.jaicore.basic.algorithm.AAlgorithm
activate, announceTimeoutDetected, avoidReinterruptionOnShutdownOnCurrentThread, cancel, checkAndConductTermination, checkTermination, computeTimeoutAware, getActivationTime, getConfig, getDeadline, getId, getInput, getListeners, getNumCPUs, getRemainingTimeToDeadline, getState, getTimeout, getTimeoutPrecautionOffset, hasNext, hasThreadBeenInterruptedDuringShutdown, interruptThreadAsPartOfShutdown, isCanceled, isShutdownInitialized, isStopCriterionSatisfied, isTimeoutDefined, isTimeouted, iterator, next, post, registerActiveThread, registerListener, resolveShutdownInterruptOnCurrentThread, setConfig, setDeadline, setMaxNumThreads, setNumCPUs, setState, setTimeout, setTimeout, setTimeoutPrecautionOffset, shutdown, terminate, unregisterActiveThread, unregisterThreadAndShutdown
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Constructor Detail
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GmeansSampling
public GmeansSampling(int maxIterationsInInnerLoop, long seed, org.apache.commons.math3.ml.distance.DistanceMeasure dist, D input)
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GmeansSampling
public GmeansSampling(long seed, org.apache.commons.math3.ml.distance.DistanceMeasure dist, D input)
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GmeansSampling
public GmeansSampling(int maxIterationsInInnerLoop, long seed, D input)
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GmeansSampling
public GmeansSampling(long seed, D input)
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Method Detail
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nextWithException
public org.api4.java.algorithm.events.IAlgorithmEvent nextWithException() throws org.api4.java.algorithm.exceptions.AlgorithmException, java.lang.InterruptedException, org.api4.java.algorithm.exceptions.AlgorithmTimeoutedException, org.api4.java.algorithm.exceptions.AlgorithmExecutionCanceledException
- Throws:
org.api4.java.algorithm.exceptions.AlgorithmException
java.lang.InterruptedException
org.api4.java.algorithm.exceptions.AlgorithmTimeoutedException
org.api4.java.algorithm.exceptions.AlgorithmExecutionCanceledException
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