org.deeplearning4j.datasets.iterator

Class SamplingDataSetIterator

java.lang.Object

org.deeplearning4j.datasets.iterator.SamplingDataSetIterator

All Implemented Interfaces:

Serializable, Iterator<DataSet>, DataSetIterator

public class SamplingDataSetIterator
extends Object
implements DataSetIterator

A wrapper for a dataset to sample from. This will randomly sample from the given dataset.

Author:

Adam GIbson

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SamplingDataSetIterator(DataSet sampleFrom, int batchSize, int totalNumberSamples)

Method Summary

Modifier and Type	Method and Description
boolean	asyncSupported()
int	batch()
List<String>	getLabels()
boolean	hasNext()
int	inputColumns()
DataSet	next()
DataSet	next(int num)
void	remove()
void	reset()
boolean	resetSupported()
void	setPreProcessor(DataSetPreProcessor preProcessor)
int	totalOutcomes()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.nd4j.linalg.dataset.api.iterator.DataSetIterator

getPreProcessor

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Detail

SamplingDataSetIterator

public SamplingDataSetIterator(DataSet sampleFrom,
                               int batchSize,
                               int totalNumberSamples)

Parameters:

sampleFrom - the dataset to sample from

batchSize - the batch size to sample

totalNumberSamples - the sample size

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<DataSet>

next

public DataSet next()

Specified by:

next in interface Iterator<DataSet>

remove

public void remove()

Specified by:

remove in interface Iterator<DataSet>

inputColumns

public int inputColumns()

Specified by:

inputColumns in interface DataSetIterator

totalOutcomes

public int totalOutcomes()

Specified by:

totalOutcomes in interface DataSetIterator

resetSupported

public boolean resetSupported()

Specified by:

resetSupported in interface DataSetIterator

asyncSupported

public boolean asyncSupported()

Specified by:

asyncSupported in interface DataSetIterator

reset

public void reset()

Specified by:

reset in interface DataSetIterator

batch

public int batch()

Specified by:

batch in interface DataSetIterator

setPreProcessor

public void setPreProcessor(DataSetPreProcessor preProcessor)

Specified by:

setPreProcessor in interface DataSetIterator

getLabels

public List<String> getLabels()

Specified by:

getLabels in interface DataSetIterator

next

public DataSet next(int num)

Specified by:

next in interface DataSetIterator