类 RemoveType

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

public class RemoveType extends Filter implements UnsupervisedFilter, StreamableFilter, OptionHandler
Removes attributes of a given type.

Valid options are:

 -T <nominal|numeric|string|date|relational>
  Attribute type to delete. Valid options are "nominal", 
  "numeric", "string", "date" and "relational".
  (default "string")
 -V
  Invert matching sense (i.e. only keep specified columns)
版本:
$Revision: 9814 $
作者:
Richard Kirkby (rkirkby@cs.waikato.ac.nz)
另请参阅:
  • 字段详细资料

    • TAGS_ATTRIBUTETYPE

      public static final Tag[] TAGS_ATTRIBUTETYPE
      Tag allowing selection of attribute type to delete
  • 构造器详细资料

    • RemoveType

      public RemoveType()
  • 方法详细资料

    • 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 inputFormat can't be set successfully
    • input

      public boolean input(Instance instance)
      Input an instance for filtering.
      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().
    • batchFinished

      public boolean batchFinished() throws Exception
      Signify that this batch of input to the filter is finished.
      覆盖:
      batchFinished 在类中 Filter
      返回:
      true if there are instances pending output
      抛出:
      Exception - if something goes wrong
    • output

      public Instance output()
      Output an instance after filtering and remove from the output queue.
      覆盖:
      output 在类中 Filter
      返回:
      the instance that has most recently been filtered (or null if the queue is empty).
    • outputPeek

      public Instance outputPeek()
      Output an instance after filtering but do not remove from the output queue.
      覆盖:
      outputPeek 在类中 Filter
      返回:
      the instance that has most recently been filtered (or null if the queue is empty).
    • numPendingOutput

      public int numPendingOutput()
      Returns the number of instances pending output
      覆盖:
      numPendingOutput 在类中 Filter
      返回:
      the number of instances pending output
    • isOutputFormatDefined

      public boolean isOutputFormatDefined()
      Returns whether the output format is ready to be collected
      覆盖:
      isOutputFormatDefined 在类中 Filter
      返回:
      true if the output format is set
    • 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:

       -T <nominal|numeric|string|date|relational>
        Attribute type to delete. Valid options are "nominal", 
        "numeric", "string", "date" and "relational".
        (default "string")
       -V
        Invert matching sense (i.e. only keep specified columns)
      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
    • 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
    • attributeTypeTipText

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

      public void setAttributeType(SelectedTag type)
      Sets the attribute type to be deleted by the filter.
      参数:
      type - a TAGS_ATTRIBUTETYPE of the new type the filter should delete
    • getAttributeType

      public SelectedTag getAttributeType()
      Gets the attribute type to be deleted by the filter.
      返回:
      the attribute type as a selected tag TAGS_ATTRIBUTETYPE
    • 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()
      Get whether the supplied columns are to be removed or kept
      返回:
      true if the supplied columns will be kept
    • setInvertSelection

      public void setInvertSelection(boolean invert)
      Set whether selected columns should be removed or kept. If true the selected columns are kept and unselected columns are deleted. If false selected columns are deleted and unselected columns are kept.
      参数:
      invert - the new invert setting
    • 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