Package ai.libs.jaicore.ml.core.filter.sampling.inmemory.stratified.sampling

Class StratifiedSampling<D extends org.api4.java.ai.ml.core.dataset.IDataset<?>>

java.lang.Object

ai.libs.jaicore.basic.algorithm.AAlgorithm<D,D>

ai.libs.jaicore.ml.core.filter.sampling.inmemory.ASamplingAlgorithm<D>

ai.libs.jaicore.ml.core.filter.sampling.inmemory.stratified.sampling.StratifiedSampling<D>

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

Direct Known Subclasses:

LabelBasedStratifiedSampling

public class StratifiedSampling<D extends org.api4.java.ai.ml.core.dataset.IDataset<?>>
extends ASamplingAlgorithm<D>

Implementation of Stratified Sampling: Divide dataset into strati and sample from each of these.

Field Summary

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

sample, sampleSize

Constructor Summary

Constructors

Constructor	Description
StratifiedSampling(IStratifier stratificationTechnique, java.util.Random random, D input)	Constructor for Stratified Sampling.

Method Summary

Modifier and Type	Method	Description
java.lang.String	getLoggerName()
org.api4.java.algorithm.events.IAlgorithmEvent	nextWithException()
void	setLoggerName(java.lang.String loggername)

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

call, doInactiveStep, getComplementOfLastSample, getLogger, getSampleSize, nextSample, setSampleSize, setSampleSize

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.api4.java.algorithm.IAlgorithm

getConfig, getId, getInput, getNumCPUs, getTimeout, registerListener, setMaxNumThreads, setNumCPUs, setTimeout, setTimeout

Methods inherited from interface org.api4.java.common.control.ICancelable

cancel

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Constructor Detail

StratifiedSampling

public StratifiedSampling(IStratifier stratificationTechnique,
                          java.util.Random random,
                          D input)

Constructor for Stratified Sampling.

Parameters:

stratiAmountSelector - The custom selector for the used amount of strati.

stratiAssigner - Custom logic to assign datapoints into strati.

random - Random object for sampling inside of the strati.

Method Detail

nextWithException

public org.api4.java.algorithm.events.IAlgorithmEvent nextWithException()
                                                                 throws java.lang.InterruptedException,
                                                                        org.api4.java.algorithm.exceptions.AlgorithmException,
                                                                        org.api4.java.algorithm.exceptions.AlgorithmTimeoutedException,
                                                                        org.api4.java.algorithm.exceptions.AlgorithmExecutionCanceledException

Throws:

java.lang.InterruptedException

org.api4.java.algorithm.exceptions.AlgorithmException

org.api4.java.algorithm.exceptions.AlgorithmTimeoutedException

org.api4.java.algorithm.exceptions.AlgorithmExecutionCanceledException

setLoggerName

public void setLoggerName(java.lang.String loggername)

Specified by:

setLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

Overrides:

setLoggerName in class ASamplingAlgorithm<D extends org.api4.java.ai.ml.core.dataset.IDataset<?>>

getLoggerName

public java.lang.String getLoggerName()

Specified by:

getLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

Overrides:

getLoggerName in class ASamplingAlgorithm<D extends org.api4.java.ai.ml.core.dataset.IDataset<?>>