Class RemoveByName
java.lang.Object
weka.filters.Filter
weka.filters.SimpleFilter
weka.filters.SimpleStreamFilter
weka.filters.unsupervised.attribute.RemoveByName
- All Implemented Interfaces:
Serializable,CapabilitiesHandler,CapabilitiesIgnorer,CommandlineRunnable,OptionHandler,RevisionHandler,WeightedAttributesHandler,WeightedInstancesHandler,StreamableFilter
public class RemoveByName
extends SimpleStreamFilter
implements WeightedInstancesHandler, WeightedAttributesHandler
Removes attributes based on a regular expression
matched against their names.
Valid options are:
-D Turns on output of debugging information.
-E <regular expression> The regular expression to match the attribute names against. (default: ^.*id$)
-V Flag for inverting the matching sense. If set, attributes are kept instead of deleted. (default: off)
- Version:
- $Revision: 14534 $
- Author:
- FracPete (fracpete at waikato dot ac dot nz)
- See Also:
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Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionReturns the tip text for this property.Returns the Capabilities of this filter.Returns the regular expression in use.booleanGet whether the supplied columns are to be removed or kept.String[]returns the options of the current setup.Returns the revision string.Returns a string describing this classifier.Returns the tip text for this property.Gets an enumeration describing the available options.static voidruns the filter with the given arguments.voidsetExpression(String value) Sets the regular expression to match the attribute names against.voidsetInvertSelection(boolean value) Set whether selected columns should be removed or kept.voidsetOptions(String[] options) Parses the options for this object.Methods inherited from class weka.filters.SimpleStreamFilter
batchFinished, inputMethods inherited from class weka.filters.SimpleFilter
setInputFormatMethods inherited from class weka.filters.Filter
batchFilterFile, debugTipText, doNotCheckCapabilitiesTipText, filterFile, getCapabilities, getCopyOfInputFormat, getDebug, getDoNotCheckCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, mayRemoveInstanceAfterFirstBatchDone, numPendingOutput, output, outputPeek, postExecution, preExecution, run, runFilter, setDebug, setDoNotCheckCapabilities, toString, useFilter, wekaStaticWrapper
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Field Details
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DEFAULT_EXPRESSION
the default expression.- See Also:
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Constructor Details
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RemoveByName
public RemoveByName()
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Method Details
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globalInfo
Returns a string describing this classifier.- Specified by:
globalInfoin classSimpleFilter- Returns:
- a description of the classifier suitable for displaying in the explorer/experimenter gui
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listOptions
Gets an enumeration describing the available options.- Specified by:
listOptionsin interfaceOptionHandler- Overrides:
listOptionsin classFilter- Returns:
- an enumeration of all the available options.
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getOptions
returns the options of the current setup.- Specified by:
getOptionsin interfaceOptionHandler- Overrides:
getOptionsin classFilter- Returns:
- the current options
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setOptions
Parses the options for this object. Valid options are:-D Turns on output of debugging information.
-E <regular expression> The regular expression to match the attribute names against. (default: ^.*id$)
-V Flag for inverting the matching sense. If set, attributes are kept instead of deleted. (default: off)
- Specified by:
setOptionsin interfaceOptionHandler- Overrides:
setOptionsin classFilter- Parameters:
options- the options to use- Throws:
Exception- if the option setting fails
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setExpression
Sets the regular expression to match the attribute names against.- Parameters:
value- the regular expression
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getExpression
Returns the regular expression in use.- Returns:
- the regular expression
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expressionTipText
Returns the tip text for this property.- Returns:
- tip text for this property suitable for displaying in the explorer/experimenter gui
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setInvertSelection
public void setInvertSelection(boolean value) 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.- Parameters:
value- the new invert setting
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getInvertSelection
public boolean getInvertSelection()Get whether the supplied columns are to be removed or kept.- Returns:
- true if the supplied columns will be kept
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invertSelectionTipText
Returns the tip text for this property.- Returns:
- tip text for this property suitable for displaying in the explorer/experimenter gui
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getCapabilities
Returns the Capabilities of this filter.- Specified by:
getCapabilitiesin interfaceCapabilitiesHandler- Overrides:
getCapabilitiesin classFilter- Returns:
- the capabilities of this object
- See Also:
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getRevision
Returns the revision string.- Specified by:
getRevisionin interfaceRevisionHandler- Overrides:
getRevisionin classFilter- Returns:
- the revision
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main
runs the filter with the given arguments.- Parameters:
args- the commandline arguments
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