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

public class AddID extends Filter implements UnsupervisedFilter, OptionHandler
An instance filter that adds an ID attribute to the dataset. The new attribute contains a unique ID for each instance.
Note: The ID is not reset for the second batch of files (using -b and -r and -s).

Valid options are:

 -C <index>
  Specify where to insert the ID. First and last
  are valid indexes.(default first)
 -N <name>
  Name of the new attribute.
  (default = 'ID')
版本:
$Revision: 5543 $
作者:
fracpete (fracpete at waikato dot ac dot nz)
另请参阅:
  • 构造器详细资料

    • AddID

      public AddID()
  • 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
    • 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 <index>
        Specify where to insert the ID. First and last
        are valid indexes.(default first)
       -N <name>
        Name of the new attribute.
        (default = 'ID')
      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
    • attributeNameTipText

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

      public String getAttributeName()
      Get the name of the attribute to be created
      返回:
      the current attribute name
    • setAttributeName

      public void setAttributeName(String value)
      Set the new attribute's name
      参数:
      value - the new name
    • IDIndexTipText

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

      public String getIDIndex()
      Get the index of the attribute used.
      返回:
      the index of the attribute
    • setIDIndex

      public void setIDIndex(String value)
      Sets index of the attribute used.
      参数:
      value - the index of the attribute
    • 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:
      Exception - if the format couldn't be set successfully
    • input

      public boolean input(Instance instance)
      Input an instance for filtering. Filter requires all training instances be read before producing output.
      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 format has been set.
    • batchFinished

      public boolean batchFinished()
      Signify that this batch of input to the filter is finished. If the filter requires all instances prior to filtering, output() may now be called to retrieve the filtered instances.
      覆盖:
      batchFinished 在类中 Filter
      返回:
      true if there are instances pending output
      抛出:
      IllegalStateException - if no input structure has been defined
    • 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[] args)
      Main method for testing this class.
      参数:
      args - should contain arguments to the filter: use -h for help