类 SwapValues

java.lang.Object
weka.filters.Filter
weka.filters.unsupervised.attribute.SwapValues
所有已实现的接口:
Serializable, CapabilitiesHandler, OptionHandler, RevisionHandler, StreamableFilter, UnsupervisedFilter

public class SwapValues extends Filter implements UnsupervisedFilter, StreamableFilter, OptionHandler
Swaps two values of a nominal attribute.

Valid options are:

 -C <col>
  Sets the attribute index (default last).
 -F <value index>
  Sets the first value's index (default first).
 -S <value index>
  Sets the second value's index (default last).
版本:
$Revision: 8585 $
作者:
Eibe Frank (eibe@cs.waikato.ac.nz)
另请参阅:
  • 构造器详细资料

    • SwapValues

      public SwapValues()
  • 方法详细资料

    • globalInfo

      public String globalInfo()
      Returns a string describing this filter
      返回:
      a description of the filter suitable for displaying in the explorer/experimenter gui
    • getCapabilities

      public Capabilities getCapabilities()
      Returns the Capabilities of this filter.
      指定者:
      getCapabilities 在接口中 CapabilitiesHandler
      覆盖:
      getCapabilities 在类中 Filter
      返回:
      the capabilities of this object
      另请参阅:
    • setInputFormat

      public boolean setInputFormat(Instances instanceInfo) throws Exception
      Sets the format of the input instances.
      覆盖:
      setInputFormat 在类中 Filter
      参数:
      instanceInfo - an Instances object containing the input instance structure (any instances contained in the object are ignored - only the structure is required).
      返回:
      true if the outputFormat may be collected immediately
      抛出:
      UnsupportedAttributeTypeException - if the selected attribute is not nominal or if it only has one value.
      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.
      覆盖:
      input 在类中 Filter
      参数:
      instance - the input instance
      返回:
      true if the filtered instance may now be collected with output().
      抛出:
      IllegalStateException - if no input structure has been defined.
    • listOptions

      public Enumeration listOptions()
      Returns an enumeration describing the available options.
      指定者:
      listOptions 在接口中 OptionHandler
      返回:
      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).
       -F <value index>
        Sets the first value's index (default first).
       -S <value index>
        Sets the second value's index (default last).
      指定者:
      setOptions 在接口中 OptionHandler
      参数:
      options - the list of options as an array of strings
      抛出:
      Exception - if an option is not supported
    • getOptions

      public String[] getOptions()
      Gets the current settings of the filter.
      指定者:
      getOptions 在接口中 OptionHandler
      返回:
      an array of strings suitable for passing to setOptions
    • attributeIndexTipText

      public String attributeIndexTipText()
      返回:
      tip text for this property suitable for displaying in the explorer/experimenter gui
    • getAttributeIndex

      public String getAttributeIndex()
      Get the index of the attribute used.
      返回:
      the index of the attribute
    • setAttributeIndex

      public void setAttributeIndex(String attIndex)
      Sets index of the attribute used.
      参数:
      attIndex - the index of the attribute
    • firstValueIndexTipText

      public String firstValueIndexTipText()
      返回:
      tip text for this property suitable for displaying in the explorer/experimenter gui
    • getFirstValueIndex

      public String getFirstValueIndex()
      Get the index of the first value used.
      返回:
      the index of the first value
    • setFirstValueIndex

      public void setFirstValueIndex(String firstIndex)
      Sets index of the first value used.
      参数:
      firstIndex - the index of the first value
    • secondValueIndexTipText

      public String secondValueIndexTipText()
      返回:
      tip text for this property suitable for displaying in the explorer/experimenter gui
    • getSecondValueIndex

      public String getSecondValueIndex()
      Get the index of the second value used.
      返回:
      the index of the second value
    • setSecondValueIndex

      public void setSecondValueIndex(String secondIndex)
      Sets index of the second value used.
      参数:
      secondIndex - the index of the second value
    • getRevision

      public String getRevision()
      Returns the revision string.
      指定者:
      getRevision 在接口中 RevisionHandler
      覆盖:
      getRevision 在类中 Filter
      返回:
      the revision
    • main

      public static void main(String[] argv)
      Main method for testing this class.
      参数:
      argv - should contain arguments to the filter: use -h for help