weka.filters.unsupervised.attribute

Class AddValues

java.lang.Object

weka.filters.Filter

weka.filters.unsupervised.attribute.AddValues

All Implemented Interfaces:

Serializable, CapabilitiesHandler, OptionHandler, RevisionHandler, StreamableFilter, UnsupervisedFilter

public class AddValues
extends Filter
implements UnsupervisedFilter, StreamableFilter, OptionHandler

Adds the labels from the given list to an attribute if they are missing. The labels can also be sorted in an ascending manner. If no labels are provided then only the (optional) sorting applies.

Valid options are:

 -C <col>
  Sets the attribute index
  (default last).

 -L <label1,label2,...>
  Comma-separated list of labels to add.
  (default: none)

 -S
  Turns on the sorting of the labels.

Based on code from AddValues.

Version:

$Revision: 6897 $

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

AddValues, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected SingleIndex	m_AttIndex The attribute's index setting.
protected Vector	m_Labels The values to add.
protected boolean	m_Sort Whether to sort the values.
protected int[]	m_SortedIndices the array with the sorted label indices

Fields inherited from class weka.filters.Filter

m_FirstBatchDone, m_InputRelAtts, m_InputStringAtts, m_NewBatch, m_OutputRelAtts, m_OutputStringAtts

Constructor Summary

Constructors

Constructor and Description
AddValues()

Method Summary

Modifier and Type	Method and Description
String	attributeIndexTipText() Returns the tip text for this property
String	getAttributeIndex() Get the index of the attribute used.
Capabilities	getCapabilities() Returns the Capabilities of this filter.
String	getLabels() Get the comma-separated list of labels that are added.
String[]	getOptions() Gets the current settings of the filter.
String	getRevision() Returns the revision string.
boolean	getSort() Gets whether the labels are sorted or not.
String	globalInfo() Returns a string describing this filter
boolean	input(Instance instance) Input an instance for filtering.
String	labelsTipText() Returns the tip text for this property
Enumeration	listOptions() Returns an enumeration describing the available options.
static void	main(String[] args) Main method for testing and running this class.
void	setAttributeIndex(String attIndex) Sets index of the attribute used.
boolean	setInputFormat(Instances instanceInfo) Sets the format of the input instances.
void	setLabels(String value) Sets the comma-separated list of labels.
void	setOptions(String[] options) Parses a given list of options.
void	setSort(boolean value) Sets whether the labels are sorted.
String	sortTipText() Returns the tip text for this property

Methods inherited from class weka.filters.Filter

batchFilterFile, batchFinished, bufferInput, copyValues, copyValues, filterFile, flushInput, getCapabilities, getInputFormat, getOutputFormat, initInputLocators, initOutputLocators, inputFormatPeek, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputFormatPeek, outputPeek, push, resetQueue, runFilter, setOutputFormat, testInputFormat, toString, useFilter, wekaStaticWrapper

Methods inherited from class java.lang.Object

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

Field Detail

m_AttIndex

protected SingleIndex m_AttIndex

The attribute's index setting.

m_Labels

protected Vector m_Labels

The values to add.

m_Sort

protected boolean m_Sort

Whether to sort the values.

m_SortedIndices

protected int[] m_SortedIndices

the array with the sorted label indices

Constructor Detail

AddValues

public AddValues()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing this filter

Returns:

a description of the filter suitable for displaying in the explorer/experimenter gui

listOptions

public Enumeration listOptions()

Returns an enumeration describing the available options.

Specified by:

listOptions in interface OptionHandler

Returns:

an enumeration of all the available options.

setOptions

public void setOptions(String[] options)
                throws Exception

Parses a given list of options.

Valid options are:

 -C <col>
  Sets the attribute index
  (default last).

 -L <label1,label2,...>
  Comma-separated list of labels to add.
  (default: none)

 -S
  Turns on the sorting of the labels.

Specified by:

setOptions in interface OptionHandler

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 settings of the filter.

Specified by:

getOptions in interface OptionHandler

Returns:

an array of strings suitable for passing to setOptions

getCapabilities

public Capabilities getCapabilities()

Returns the Capabilities of this filter.

Specified by:

getCapabilities in interface CapabilitiesHandler

Overrides:

getCapabilities in class Filter

Returns:

the capabilities of this object

See Also:

Capabilities

setInputFormat

public boolean setInputFormat(Instances instanceInfo)
                       throws Exception

Sets the format of the input instances.

Overrides:

setInputFormat in class Filter

Parameters:

instanceInfo - an Instances object containing the input instance structure (any instances contained in the object are ignored - only the structure is required).

Returns:

true if the outputFormat may be collected immediately

Throws:

Exception - if the input format can't be set successfully

input

public boolean input(Instance instance)

Input an instance for filtering. The instance is processed and made available for output immediately.

Overrides:

input in class Filter

Parameters:

instance - the input instance

Returns:

true if the filtered instance may now be collected with output().

Throws:

IllegalStateException - if no input format has been set.

attributeIndexTipText

public String attributeIndexTipText()

Returns the tip text for this property

Returns:

tip text for this property suitable for displaying in the explorer/experimenter gui

getAttributeIndex

public String getAttributeIndex()

Get the index of the attribute used.

Returns:

the index of the attribute

setAttributeIndex

public void setAttributeIndex(String attIndex)

Sets index of the attribute used.

Parameters:

attIndex - the index of the attribute

labelsTipText

public String labelsTipText()

Returns the tip text for this property

Returns:

tip text for this property suitable for displaying in the explorer/experimenter gui

getLabels

public String getLabels()

Get the comma-separated list of labels that are added.

Returns:

the list of labels

setLabels

public void setLabels(String value)

Sets the comma-separated list of labels.

Parameters:

value - the list

sortTipText

public String sortTipText()

Returns the tip text for this property

Returns:

tip text for this property suitable for displaying in the explorer/experimenter gui

getSort

public boolean getSort()

Gets whether the labels are sorted or not.

Returns:

true if the labels are sorted

setSort

public void setSort(boolean value)

Sets whether the labels are sorted.

Parameters:

value - if true the labels are sorted

getRevision

public String getRevision()

Returns the revision string.

Specified by:

getRevision in interface RevisionHandler

Overrides:

getRevision in class Filter

Returns:

the revision

main

public static void main(String[] args)

Main method for testing and running this class.

Parameters:

args - should contain arguments to the filter: use -h for help