weka.filters.unsupervised.instance
Class RemoveInstancesWithMissingValue

java.lang.Object
  weka.filters.Filter
      weka.filters.SimpleFilter
          weka.filters.SimpleBatchFilter
              weka.filters.unsupervised.instance.RemoveInstancesWithMissingValue

All Implemented Interfaces:

Serializable, weka.core.CapabilitiesHandler, weka.core.OptionHandler, weka.core.RevisionHandler, weka.filters.UnsupervisedFilter

public class RemoveInstancesWithMissingValue
extends weka.filters.SimpleBatchFilter
implements weka.filters.UnsupervisedFilter

Removes all instances that contain missing values.

Valid options are:

 -D
  Turns on output of debugging information.

Version:

$Revision: 4521 $

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class weka.filters.SimpleFilter

m_Debug

Fields inherited from class weka.filters.Filter

m_FirstBatchDone, m_InputRelAtts, m_InputStringAtts, m_NewBatch, m_OutputRelAtts, m_OutputStringAtts

Constructor Summary

RemoveInstancesWithMissingValue()

Method Summary

protected weka.core.Instances	determineOutputFormat(weka.core.Instances inputFormat) Determines the output format based on the input format and returns this.
weka.core.Capabilities	getCapabilities() Returns the Capabilities of this filter.
String	getRevision() Returns the revision string.
String	globalInfo() Returns a string describing this classifier.
static void	main(String[] args) Main method for testing this class.
protected weka.core.Instances	process(weka.core.Instances instances) Processes the given data (may change the provided dataset) and returns the modified version.

Methods inherited from class weka.filters.SimpleBatchFilter

batchFinished, hasImmediateOutputFormat, input

Methods inherited from class weka.filters.SimpleFilter

debugTipText, getDebug, getOptions, listOptions, reset, setDebug, setInputFormat, setOptions

Methods inherited from class weka.filters.Filter

batchFilterFile, bufferInput, copyValues, copyValues, filterFile, flushInput, getCapabilities, getInputFormat, getOutputFormat, initInputLocators, initOutputLocators, inputFormatPeek, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, mayRemoveInstanceAfterFirstBatchDone, numPendingOutput, output, outputFormatPeek, outputPeek, push, resetQueue, runFilter, setOutputFormat, testInputFormat, toString, useFilter, wekaStaticWrapper

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

RemoveInstancesWithMissingValue

public RemoveInstancesWithMissingValue()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing this classifier.

Specified by:

globalInfo in class weka.filters.SimpleFilter

Returns:

a description of the classifier suitable for displaying in the explorer/experimenter gui

getCapabilities

public weka.core.Capabilities getCapabilities()

Returns the Capabilities of this filter.

Specified by:

getCapabilities in interface weka.core.CapabilitiesHandler

Overrides:

getCapabilities in class weka.filters.Filter

Returns:

the capabilities of this object

See Also:

Capabilities

determineOutputFormat

protected weka.core.Instances determineOutputFormat(weka.core.Instances inputFormat)
                                             throws Exception

Determines the output format based on the input format and returns this.

Specified by:

determineOutputFormat in class weka.filters.SimpleFilter

Parameters:

inputFormat - the input format to base the output format on

Returns:

the output format

Throws:

Exception - in case the determination goes wrong

process

protected weka.core.Instances process(weka.core.Instances instances)
                               throws Exception

Processes the given data (may change the provided dataset) and returns the modified version. This method is called in batchFinished().

Specified by:

process in class weka.filters.SimpleFilter

Parameters:

instances - the data to process

Returns:

the modified data

Throws:

Exception - in case the processing goes wrong

getRevision

public String getRevision()

Returns the revision string.

Specified by:

getRevision in interface weka.core.RevisionHandler

Overrides:

getRevision in class weka.filters.Filter

Returns:

the revision

main

public static void main(String[] args)

Main method for testing this class.

Parameters:

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