weka.filters.unsupervised.attribute
Class AddValues

java.lang.Object
  extended by weka.filters.Filter
      extended by weka.filters.unsupervised.attribute.AddValues
All Implemented Interfaces:
java.io.Serializable, CapabilitiesHandler, OptionHandler, 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: 1.2 $
Author:
FracPete (fracpete at waikato dot ac dot nz)
See Also:
AddValues, Serialized Form

Constructor Summary
AddValues()
           
 
Method Summary
 java.lang.String attributeIndexTipText()
          Returns the tip text for this property
 java.lang.String getAttributeIndex()
          Get the index of the attribute used.
 Capabilities getCapabilities()
          Returns the Capabilities of this filter.
 java.lang.String getLabels()
          Get the comma-separated list of labels that are added.
 java.lang.String[] getOptions()
          Gets the current settings of the filter.
 boolean getSort()
          Gets whether the labels are sorted or not.
 java.lang.String globalInfo()
          Returns a string describing this filter
 boolean input(Instance instance)
          Input an instance for filtering.
 java.lang.String labelsTipText()
          Returns the tip text for this property
 java.util.Enumeration listOptions()
          Returns an enumeration describing the available options.
static void main(java.lang.String[] args)
          Main method for testing and running this class.
 void setAttributeIndex(java.lang.String attIndex)
          Sets index of the attribute used.
 boolean setInputFormat(Instances instanceInfo)
          Sets the format of the input instances.
 void setLabels(java.lang.String value)
          Sets the comma-separated list of labels.
 void setOptions(java.lang.String[] options)
          Parses a given list of options.
 void setSort(boolean value)
          Sets whether the labels are sorted.
 java.lang.String sortTipText()
          Returns the tip text for this property
 
Methods inherited from class weka.filters.Filter
batchFilterFile, batchFinished, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

AddValues

public AddValues()
Method Detail

globalInfo

public java.lang.String globalInfo()
Returns a string describing this filter

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

listOptions

public java.util.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(java.lang.String[] options)
                throws java.lang.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:
java.lang.Exception - if an option is not supported

getOptions

public java.lang.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 java.lang.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:
java.lang.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:
java.lang.IllegalStateException - if no input format has been set.

attributeIndexTipText

public java.lang.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 java.lang.String getAttributeIndex()
Get the index of the attribute used.

Returns:
the index of the attribute

setAttributeIndex

public void setAttributeIndex(java.lang.String attIndex)
Sets index of the attribute used.

Parameters:
attIndex - the index of the attribute

labelsTipText

public java.lang.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 java.lang.String getLabels()
Get the comma-separated list of labels that are added.

Returns:
the list of labels

setLabels

public void setLabels(java.lang.String value)
Sets the comma-separated list of labels.

Parameters:
value - the list

sortTipText

public java.lang.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

main

public static void main(java.lang.String[] args)
Main method for testing and running this class.

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