类 RemoveRange

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

public class RemoveRange extends Filter implements UnsupervisedFilter, OptionHandler
A filter that removes a given range of instances of a dataset.

Valid options are:

 -R <inst1,inst2-inst4,...>
  Specifies list of instances to select. First and last
  are valid indexes. (required)
 
 -V
  Specifies if inverse of selection is to be output.
 
版本:
$Revision: 5548 $
作者:
Eibe Frank (eibe@cs.waikato.ac.nz)
另请参阅:
  • 构造器详细资料

    • RemoveRange

      public RemoveRange()
  • 方法详细资料

    • 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:

       -R <inst1,inst2-inst4,...>
        Specifies list of instances to select. First and last
        are valid indexes. (required)
       
       -V
        Specifies if inverse of selection is to be output.
       
      指定者:
      setOptions 在接口中 OptionHandler
      参数:
      options - the list of options as an array of string.s
      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.
    • globalInfo

      public String globalInfo()
      Returns a string describing this filter
      返回:
      a description of the filter suitable for displaying in the GUI.
    • instancesIndicesTipText

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

      public String getInstancesIndices()
      Gets ranges of instances selected.
      返回:
      a string containing a comma-separated list of ranges
    • setInstancesIndices

      public void setInstancesIndices(String rangeList)
      Sets the ranges of instances to be selected. If provided string is null, ranges won't be used for selecting instances.
      参数:
      rangeList - a string representing the list of instances. eg: first-3,5,6-last
      抛出:
      IllegalArgumentException - if an invalid range list is supplied
    • invertSelectionTipText

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

      public boolean getInvertSelection()
      Gets if selection is to be inverted.
      返回:
      true if the selection is to be inverted
    • setInvertSelection

      public void setInvertSelection(boolean inverse)
      Sets if selection is to be inverted.
      参数:
      inverse - true if inversion is to be performed
    • 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 because outputFormat can be collected immediately
      抛出:
      Exception - if the input format can'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 structure has been defined
    • batchFinished

      public boolean batchFinished()
      Signify that this batch of input to the filter is finished. 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[] argv)
      Main method for testing this class.
      参数:
      argv - should contain arguments to the filter: use -h for help