public class ImbalancedStream extends AbstractOptionHandler implements InstanceStream
Modifier and Type | Field and Description |
---|---|
StringOption |
classRatioOption |
IntOption |
instanceRandomSeedOption |
protected Instances[] |
instancesBuffer |
protected int |
numClasses |
protected ExampleStream |
originalStream |
protected double[] |
probPerClass |
protected Random |
random |
ClassOption |
streamOption |
config
Constructor and Description |
---|
ImbalancedStream() |
Modifier and Type | Method and Description |
---|---|
long |
estimatedRemainingInstances()
Gets the estimated number of remaining instances in this stream
|
void |
getDescription(StringBuilder sb,
int indent)
Returns a string representation of this object.
|
InstancesHeader |
getHeader()
Gets the header of this stream.
|
boolean |
hasMoreInstances()
Gets whether this stream has more instances to output.
|
boolean |
isRestartable()
Gets whether this stream can restart.
|
Example<Instance> |
nextInstance()
Gets the next example from this stream.
|
protected void |
prepareForUseImpl(TaskMonitor monitor,
ObjectRepository repository)
This method describes the implementation of how to prepare this object for use.
|
void |
restart()
Restarts this stream.
|
copy, getCLICreationString, getOptions, getPreparedClassOption, getPurposeString, prepareClassOptions, prepareForUse, prepareForUse
copy, measureByteSize, measureByteSize, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
copy, measureByteSize
public ClassOption streamOption
public StringOption classRatioOption
public IntOption instanceRandomSeedOption
protected ExampleStream originalStream
protected Instances[] instancesBuffer
protected double[] probPerClass
protected Random random
protected int numClasses
protected void prepareForUseImpl(TaskMonitor monitor, ObjectRepository repository)
AbstractOptionHandler
prepareForUseImpl
and not prepareForUse
since
prepareForUse
calls prepareForUseImpl
.prepareForUseImpl
in class AbstractOptionHandler
monitor
- the TaskMonitor to userepository
- the ObjectRepository to usepublic InstancesHeader getHeader()
ExampleStream
getHeader
in interface ExampleStream<Example<Instance>>
public long estimatedRemainingInstances()
ExampleStream
estimatedRemainingInstances
in interface ExampleStream<Example<Instance>>
public boolean hasMoreInstances()
ExampleStream
hasMoreInstances
in interface ExampleStream<Example<Instance>>
public Example<Instance> nextInstance()
ExampleStream
nextInstance
in interface ExampleStream<Example<Instance>>
public boolean isRestartable()
ExampleStream
isRestartable
in interface ExampleStream<Example<Instance>>
public void restart()
ExampleStream
restart
in interface ExampleStream<Example<Instance>>
public void getDescription(StringBuilder sb, int indent)
MOAObject
AbstractMOAObject.toString
to give a string representation of the object.getDescription
in interface MOAObject
sb
- the stringbuilder to add the descriptionindent
- the number of characters to indentCopyright © 2019 University of Waikato, Hamilton, NZ. All Rights Reserved.