Package weka.classifiers.meta

Class HighLowSplit

java.lang.Object

weka.classifiers.AbstractClassifier

weka.classifiers.SingleClassifierEnhancer

weka.classifiers.meta.HighLowSplit

All Implemented Interfaces:

Serializable, Cloneable, weka.classifiers.Classifier, weka.core.BatchPredictor, weka.core.CapabilitiesHandler, weka.core.CapabilitiesIgnorer, weka.core.CommandlineRunnable, weka.core.OptionHandler, weka.core.RevisionHandler, weka.core.WeightedInstancesHandler

public class HighLowSplit
extends weka.classifiers.SingleClassifierEnhancer
implements weka.core.WeightedInstancesHandler

Uses base classifier to get guess, then get prediction from either lo/hi classifier

Valid options are:

 -W
  Full name of base classifier.
  (default: weka.classifiers.rules.ZeroR)

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 -S <dbl>
  Lowest value for hi classifier
  (default: 10)
 

 -P <dbl>
  Highest value for lo classifier
  (default: 15)
 

 -E <dbl>
  Decision boundary for hi/lo classifier
  (default: 12.5)
 

 -F
  Full name of hi classifier.
  (default: weka.classifiers.rules.ZeroR)

 -W
  Full name of base classifier.
  (default: weka.classifiers.rules.ZeroR)

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 -G
  Full name of lo classifier.
  (default: weka.classifiers.rules.ZeroR)

 -W
  Full name of base classifier.
  (default: weka.classifiers.rules.ZeroR)

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

Version:

$Revision: 6936 $

Author:

Dale?

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected weka.classifiers.Classifier	m_hiClassifier
protected double	m_hiLopoint
protected weka.classifiers.Classifier	m_loClassifier
protected double	m_loHipoint
protected double	m_splitpoint

Fields inherited from class weka.classifiers.SingleClassifierEnhancer

m_Classifier

Fields inherited from class weka.classifiers.AbstractClassifier

BATCH_SIZE_DEFAULT, m_BatchSize, m_Debug, m_DoNotCheckCapabilities, m_numDecimalPlaces, NUM_DECIMAL_PLACES_DEFAULT

Constructor Summary

Constructors

Constructor	Description
HighLowSplit()

Method Summary

Modifier and Type	Method	Description
void	buildClassifier(weka.core.Instances data)	Builds the classifier.
double	classifyInstance(weka.core.Instance inst)	Returns the prediction.
protected String[]	defaultClassifierOptions()	String describing options for default classifier.
protected String	defaultClassifierString()	String describing default classifier.
weka.core.Capabilities	getCapabilities()	Returns default capabilities of the base classifier.
weka.classifiers.Classifier	getHiClassifier()
double	getHiLopoint()
weka.classifiers.Classifier	getLoClassifier()
double	getLoHipoint()
String[]	getOptions()	Gets the current option settings for the OptionHandler.
String	getRevision()
double	getSplitpoint()
String	globalInfo()	Returns a string describing classifier.
String	hiClassifierTipText()
String	hiLopointTipText()
Enumeration	listOptions()	Returns an enumeration describing the available options.
String	loClassifierTipText()
String	loHipointTipText()
static void	main(String[] argv)	Main method for running this class.
void	setHiClassifier(weka.classifiers.Classifier c)
void	setHiLopoint(double h)
void	setLoClassifier(weka.classifiers.Classifier c)
void	setLoHipoint(double l)
void	setOptions(String[] options)	Sets the OptionHandler's options using the given list.
void	setSplitpoint(double s)
String	splitpointTipText()
String	toString()	Returns description of classifier.

Methods inherited from class weka.classifiers.SingleClassifierEnhancer

classifierTipText, getClassifier, getClassifierSpec, postExecution, preExecution, setClassifier

Methods inherited from class weka.classifiers.AbstractClassifier

batchSizeTipText, debugTipText, distributionForInstance, distributionsForInstances, doNotCheckCapabilitiesTipText, forName, getBatchSize, getDebug, getDoNotCheckCapabilities, getNumDecimalPlaces, implementsMoreEfficientBatchPrediction, makeCopies, makeCopy, numDecimalPlacesTipText, run, runClassifier, setBatchSize, setDebug, setDoNotCheckCapabilities, setNumDecimalPlaces

Methods inherited from class java.lang.Object

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

Field Detail

m_hiClassifier

protected weka.classifiers.Classifier m_hiClassifier

m_loClassifier

protected weka.classifiers.Classifier m_loClassifier

m_hiLopoint

protected double m_hiLopoint

m_loHipoint

protected double m_loHipoint

m_splitpoint

protected double m_splitpoint

Constructor Detail

HighLowSplit

public HighLowSplit()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing classifier.

Returns:

a description suitable for displaying in the explorer/experimenter gui

defaultClassifierString

protected String defaultClassifierString()

String describing default classifier.

Overrides:

defaultClassifierString in class weka.classifiers.SingleClassifierEnhancer

defaultClassifierOptions

protected String[] defaultClassifierOptions()

String describing options for default classifier.

Overrides:

defaultClassifierOptions in class weka.classifiers.SingleClassifierEnhancer

listOptions

public Enumeration listOptions()

Returns an enumeration describing the available options.

Specified by:

listOptions in interface weka.core.OptionHandler

Overrides:

listOptions in class weka.classifiers.SingleClassifierEnhancer

Returns:

an enumeration of all the available options.

setOptions

public void setOptions(String[] options)
                throws Exception

Sets the OptionHandler's options using the given list. All options will be set (or reset) during this call (i.e. incremental setting of options is not possible). Valid options are:

 -W
  Full name of base classifier.
  (default: weka.classifiers.rules.ZeroR)

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 -S <dbl>
  Lowest value for hi classifier
  (default: 10)
 

 -P <dbl>
  Highest value for lo classifier
  (default: 15)
 

 -E <dbl>
  Decision boundary for hi/lo classifier
  (default: 12.5)
 

 -F
  Full name of hi classifier.
  (default: weka.classifiers.rules.ZeroR)

 -W
  Full name of base classifier.
  (default: weka.classifiers.rules.ZeroR)

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 -G
  Full name of lo classifier.
  (default: weka.classifiers.rules.ZeroR)

 -W
  Full name of base classifier.
  (default: weka.classifiers.rules.ZeroR)

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

 
 Options specific to classifier weka.classifiers.rules.ZeroR:
 

 -output-debug-info
  If set, classifier is run in debug mode and
  may output additional info to the console

 -do-not-check-capabilities
  If set, classifier capabilities are not checked before classifier is built
  (use with caution).

Specified by:

setOptions in interface weka.core.OptionHandler

Overrides:

setOptions in class weka.classifiers.SingleClassifierEnhancer

Parameters:

options - the list of options as an array of strings

Throws:

Exception - if an option is not supported

getOptions

public String[] getOptions()

Gets the current option settings for the OptionHandler.

Specified by:

getOptions in interface weka.core.OptionHandler

Overrides:

getOptions in class weka.classifiers.SingleClassifierEnhancer

Returns:

the list of current option settings as an array of strings

getHiLopoint

public double getHiLopoint()

setHiLopoint

public void setHiLopoint(double h)

hiLopointTipText

public String hiLopointTipText()

getLoHipoint

public double getLoHipoint()

setLoHipoint

public void setLoHipoint(double l)

loHipointTipText

public String loHipointTipText()

getSplitpoint

public double getSplitpoint()

setSplitpoint

public void setSplitpoint(double s)

splitpointTipText

public String splitpointTipText()

getHiClassifier

public weka.classifiers.Classifier getHiClassifier()

setHiClassifier

public void setHiClassifier(weka.classifiers.Classifier c)

hiClassifierTipText

public String hiClassifierTipText()

getLoClassifier

public weka.classifiers.Classifier getLoClassifier()

setLoClassifier

public void setLoClassifier(weka.classifiers.Classifier c)

loClassifierTipText

public String loClassifierTipText()

getCapabilities

public weka.core.Capabilities getCapabilities()

Returns default capabilities of the base classifier.

Specified by:

getCapabilities in interface weka.core.CapabilitiesHandler

Specified by:

getCapabilities in interface weka.classifiers.Classifier

Overrides:

getCapabilities in class weka.classifiers.SingleClassifierEnhancer

Returns:

the capabilities of the base classifier

buildClassifier

public void buildClassifier(weka.core.Instances data)
                     throws Exception

Builds the classifier.

Specified by:

buildClassifier in interface weka.classifiers.Classifier

Parameters:

data - the training data

Throws:

Exception - if something goes wrong

classifyInstance

public double classifyInstance(weka.core.Instance inst)
                        throws Exception

Returns the prediction.

Specified by:

classifyInstance in interface weka.classifiers.Classifier

Overrides:

classifyInstance in class weka.classifiers.AbstractClassifier

Throws:

Exception

toString

public String toString()

Returns description of classifier.

Overrides:

toString in class Object

getRevision

public String getRevision()

Specified by:

getRevision in interface weka.core.RevisionHandler

Overrides:

getRevision in class weka.classifiers.AbstractClassifier

main

public static void main(String[] argv)

Main method for running this class.

Parameters:

argv - the options