Class KeepRange
- java.lang.Object
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- weka.filters.Filter
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- weka.filters.SimpleFilter
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- weka.filters.SimpleBatchFilter
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- weka.filters.unsupervised.instance.KeepRange
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- All Implemented Interfaces:
Serializable
,weka.core.CapabilitiesHandler
,weka.core.CapabilitiesIgnorer
,weka.core.CommandlineRunnable
,weka.core.OptionHandler
,weka.core.RevisionHandler
,weka.filters.UnsupervisedFilter
public class KeepRange extends weka.filters.SimpleBatchFilter implements weka.filters.UnsupervisedFilter
Keeps only the range of rows, in the order specified.- Author:
- fracpete (fracpete at waikato dot ac dot nz)
- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description protected adams.core.UnorderedRange
m_RowRange
the index of the attribute to sort on.
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Constructor Summary
Constructors Constructor Description KeepRange()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description 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[]
getOptions()
Gets the current settings of the filter.String
getRevision()
Returns the revision string.String
getRowRange()
Returns the unordered range of rows to keep.String
globalInfo()
Returns a string describing this classifier.Enumeration
listOptions()
Returns an enumeration describing the available options.static void
main(String[] args)
Main method for running this filter.protected weka.core.Instances
process(weka.core.Instances instances)
Processes the given data (may change the provided dataset) and returns the modified version.String
rowRangeTipText()
Returns the tip text for this property.void
setOptions(String[] options)
Parses a given list of options.void
setRowRange(String value)
Sets the unordered range of rows to keep.-
Methods inherited from class weka.filters.SimpleBatchFilter
allowAccessToFullInputFormat, batchFinished, hasImmediateOutputFormat, input
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Methods inherited from class weka.filters.Filter
batchFilterFile, bufferInput, copyValues, copyValues, debugTipText, doNotCheckCapabilitiesTipText, filterFile, flushInput, getCapabilities, getDebug, getDoNotCheckCapabilities, getInputFormat, getOutputFormat, initInputLocators, initOutputLocators, inputFormatPeek, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, mayRemoveInstanceAfterFirstBatchDone, numPendingOutput, output, outputFormatPeek, outputPeek, postExecution, preExecution, push, push, resetQueue, run, runFilter, setDebug, setDoNotCheckCapabilities, setOutputFormat, testInputFormat, toString, useFilter, wekaStaticWrapper
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Method Detail
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globalInfo
public String globalInfo()
Returns a string describing this classifier.- Specified by:
globalInfo
in classweka.filters.SimpleFilter
- Returns:
- a description of the classifier suitable for displaying in the explorer/experimenter gui
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listOptions
public Enumeration listOptions()
Returns an enumeration describing the available options.- Specified by:
listOptions
in interfaceweka.core.OptionHandler
- Overrides:
listOptions
in classweka.filters.Filter
- Returns:
- an enumeration of all the available options.
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setOptions
public void setOptions(String[] options) throws Exception
Parses a given list of options.- Specified by:
setOptions
in interfaceweka.core.OptionHandler
- Overrides:
setOptions
in classweka.filters.Filter
- Parameters:
options
- the list of options as an array of string.s- Throws:
Exception
- if an option is not supported.
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getOptions
public String[] getOptions()
Gets the current settings of the filter.- Specified by:
getOptions
in interfaceweka.core.OptionHandler
- Overrides:
getOptions
in classweka.filters.Filter
- Returns:
- an array of strings suitable for passing to setOptions.
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setRowRange
public void setRowRange(String value)
Sets the unordered range of rows to keep.- Parameters:
value
- the index (1-based)
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getRowRange
public String getRowRange()
Returns the unordered range of rows to keep.- Returns:
- the range (1-based)
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rowRangeTipText
public String rowRangeTipText()
Returns the tip text for this property.- Returns:
- tip text for this property suitable for displaying in the GUI or for listing the options.
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getCapabilities
public weka.core.Capabilities getCapabilities()
Returns the Capabilities of this filter.- Specified by:
getCapabilities
in interfaceweka.core.CapabilitiesHandler
- Overrides:
getCapabilities
in classweka.filters.Filter
- Returns:
- the capabilities of this object
- See Also:
Capabilities
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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 classweka.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
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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 classweka.filters.SimpleFilter
- Parameters:
instances
- the data to process- Returns:
- the modified data
- Throws:
Exception
- in case the processing goes wrong
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getRevision
public String getRevision()
Returns the revision string.- Specified by:
getRevision
in interfaceweka.core.RevisionHandler
- Overrides:
getRevision
in classweka.filters.Filter
- Returns:
- the revision
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main
public static void main(String[] args)
Main method for running this filter.- Parameters:
args
- should contain arguments to the filter: use -h for help
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