Package adams.flow.transformer.indexedsplitsrunsgenerator

Class InstancesGroupedRandomSplitGenerator

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.flow.transformer.indexedsplitsrunsgenerator.AbstractIndexedSplitsRunsGenerator

adams.flow.transformer.indexedsplitsrunsgenerator.AbstractInstancesIndexedSplitsRunsGenerator

adams.flow.transformer.indexedsplitsrunsgenerator.InstancesGroupedRandomSplitGenerator

All Implemented Interfaces:

Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, QuickInfoSupporter, Randomizable, SizeOfHandler, FlowContextHandler, IndexedSplitsRunsGenerator, InstancesIndexedSplitsRunsGenerator, Serializable

public class InstancesGroupedRandomSplitGenerator
extends AbstractInstancesIndexedSplitsRunsGenerator
implements Randomizable

Random split generator that works on Instances objects (groups instances).

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected String	m_Group	the group expression.
protected WekaAttributeIndex	m_Index	the index to use for grouping.
protected double	m_Percentage	the percentage.
protected boolean	m_PreserveOrder	whether to preserve the order.
protected BaseRegExp	m_RegExp	the regular expression for the nominal/string attribute.
protected long	m_Seed	the seed value.

Fields inherited from class adams.flow.transformer.indexedsplitsrunsgenerator.AbstractInstancesIndexedSplitsRunsGenerator

m_AddAttributeInformation, m_AddDatasetInformation

Fields inherited from class adams.flow.transformer.indexedsplitsrunsgenerator.AbstractIndexedSplitsRunsGenerator

m_FlowContext, m_MetaData

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Fields inherited from interface adams.flow.transformer.indexedsplitsrunsgenerator.InstancesIndexedSplitsRunsGenerator

DATASET_NAME, DATASET_NUMATTRIBUTES, DATASET_NUMINSTANCES, PREFIX_DATASET_ATTRIBUTE, SUFFIX_NAME, SUFFIX_TYPE

Constructor Summary

Constructors

Constructor	Description
InstancesGroupedRandomSplitGenerator()

Method Summary

Modifier and Type	Method	Description
void	defineOptions()	Adds options to the internal list of options.
protected IndexedSplitsRuns	doGenerate(Object data, MessageCollection errors)	Generates the indexed splits.
String	getGroup()	Returns the replacement string to use as group (eg '$2').
WekaAttributeIndex	getIndex()	Returns the attribute index to use for grouping.
double	getPercentage()	Returns the split percentage.
boolean	getPreserveOrder()	Returns whether to preserve the order.
String	getQuickInfo()	Returns a quick info about the object, which can be displayed in the GUI.
BaseRegExp	getRegExp()	Returns the regular expression for identifying the group (eg '^(.*)-([0-9]+)-(.*)$').
long	getSeed()	Returns the seed value.
String	globalInfo()	Returns a string describing the object.
String	groupTipText()	Returns the tip text for this property.
String	indexTipText()	Returns the tip text for this property.
String	percentageTipText()	Returns the tip text for this property.
String	preserveOrderTipText()	Returns the tip text for this property.
String	regExpTipText()	Returns the tip text for this property.
String	seedTipText()	Returns the tip text for this property.
void	setGroup(String value)	Sets the replacement string to use as group (eg '$2').
void	setIndex(WekaAttributeIndex value)	Sets the attribute index to use for grouping.
void	setPercentage(double value)	Sets the split percentage.
void	setPreserveOrder(boolean value)	Sets whether to preserve the order.
void	setRegExp(BaseRegExp value)	Sets the regular expression for identifying the group (eg '^(.*)-([0-9]+)-(.*)$').
void	setSeed(long value)	Sets the seed value.

Methods inherited from class adams.flow.transformer.indexedsplitsrunsgenerator.AbstractInstancesIndexedSplitsRunsGenerator

accepts, addAttributeInformationTipText, addDatasetInformationTipText, getAddAttributeInformation, getAddDatasetInformation, postGenerate, setAddAttributeInformation, setAddDatasetInformation

Methods inherited from class adams.flow.transformer.indexedsplitsrunsgenerator.AbstractIndexedSplitsRunsGenerator

check, generate, getFlowContext, getMetaData, metaDataTipText, setFlowContext, setMetaData

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

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

Methods inherited from interface adams.core.Destroyable

destroy

Methods inherited from interface adams.flow.core.FlowContextHandler

getFlowContext, setFlowContext

Methods inherited from interface adams.flow.transformer.indexedsplitsrunsgenerator.IndexedSplitsRunsGenerator

generate

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Methods inherited from interface adams.core.option.OptionHandler

cleanUpOptions, getOptionManager, toCommandLine

Field Detail

m_Percentage

protected double m_Percentage

the percentage.

m_Seed

protected long m_Seed

the seed value.

m_PreserveOrder

protected boolean m_PreserveOrder

whether to preserve the order.

m_Index

protected WekaAttributeIndex m_Index

the index to use for grouping.

m_RegExp

protected BaseRegExp m_RegExp

the regular expression for the nominal/string attribute.

m_Group

protected String m_Group

the group expression.

Constructor Detail

InstancesGroupedRandomSplitGenerator

public InstancesGroupedRandomSplitGenerator()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

defineOptions

public void defineOptions()

Adds options to the internal list of options.

Specified by:

defineOptions in interface OptionHandler

Overrides:

defineOptions in class AbstractInstancesIndexedSplitsRunsGenerator

setPercentage

public void setPercentage(double value)

Sets the split percentage.

Parameters:

value - the percentage (0-1)

getPercentage

public double getPercentage()

Returns the split percentage.

Returns:

the percentage (0-1)

percentageTipText

public String percentageTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setSeed

public void setSeed(long value)

Sets the seed value.

Specified by:

setSeed in interface Randomizable

Parameters:

value - the seed

getSeed

public long getSeed()

Returns the seed value.

Specified by:

getSeed in interface Randomizable

Returns:

the seed

seedTipText

public String seedTipText()

Returns the tip text for this property.

Specified by:

seedTipText in interface Randomizable

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setPreserveOrder

public void setPreserveOrder(boolean value)

Sets whether to preserve the order.

Parameters:

value - true if to preserve order

getPreserveOrder

public boolean getPreserveOrder()

Returns whether to preserve the order.

Returns:

true if to preserve order

preserveOrderTipText

public String preserveOrderTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setIndex

public void setIndex(WekaAttributeIndex value)

Sets the attribute index to use for grouping.

Parameters:

value - the index

getIndex

public WekaAttributeIndex getIndex()

Returns the attribute index to use for grouping.

Returns:

the index

indexTipText

public String indexTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setRegExp

public void setRegExp(BaseRegExp value)

Sets the regular expression for identifying the group (eg '^(.*)-([0-9]+)-(.*)$').

Parameters:

value - the expression

getRegExp

public BaseRegExp getRegExp()

Returns the regular expression for identifying the group (eg '^(.*)-([0-9]+)-(.*)$').

Returns:

the expression

regExpTipText

public String regExpTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

setGroup

public void setGroup(String value)

Sets the replacement string to use as group (eg '$2').

Parameters:

value - the group

getGroup

public String getGroup()

Returns the replacement string to use as group (eg '$2').

Returns:

the group

groupTipText

public String groupTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the GUI or for listing the options.

getQuickInfo

public String getQuickInfo()

Returns a quick info about the object, which can be displayed in the GUI.

Specified by:

getQuickInfo in interface QuickInfoSupporter

Overrides:

getQuickInfo in class AbstractInstancesIndexedSplitsRunsGenerator

Returns:

null if no info available, otherwise short string

doGenerate

protected IndexedSplitsRuns doGenerate(Object data,
                                       MessageCollection errors)

Generates the indexed splits.

Specified by:

doGenerate in class AbstractIndexedSplitsRunsGenerator

Parameters:

data - the data to use for generating the splits

errors - for storing any errors occurring during processing

Returns:

the splits or null in case of error