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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.instance.RemovePercentage
public class RemovePercentage
A filter that removes a given percentage of a dataset.
Valid options are:-P <percentage> Specifies percentage of instances to select. (default 50)
-V Specifies if inverse of selection is to be output.
Constructor Summary | |
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RemovePercentage()
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Method Summary | |
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boolean |
batchFinished()
Signify that this batch of input to the filter is finished. |
Capabilities |
getCapabilities()
Returns the Capabilities of this filter. |
boolean |
getInvertSelection()
Gets if selection is to be inverted. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
double |
getPercentage()
Gets the percentage of instances to select. |
java.lang.String |
getRevision()
Returns the revision string. |
java.lang.String |
globalInfo()
Returns a string describing this filter |
boolean |
input(Instance instance)
Input an instance for filtering. |
java.lang.String |
invertSelectionTipText()
Returns the tip text for this property |
java.util.Enumeration |
listOptions()
Gets an enumeration describing the available options.. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
java.lang.String |
percentageTipText()
Returns the tip text for this property |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setInvertSelection(boolean inverse)
Sets if selection is to be inverted. |
void |
setOptions(java.lang.String[] options)
Parses a given list of options. |
void |
setPercentage(double percent)
Sets the percentage of intances to select. |
Methods inherited from class weka.filters.Filter |
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batchFilterFile, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public RemovePercentage()
Method Detail |
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public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-P <percentage> Specifies percentage of instances to select. (default 50)
-V Specifies if inverse of selection is to be output.
setOptions
in interface OptionHandler
options
- the list of options as an array of strings
java.lang.Exception
- if an option is not supportedpublic java.lang.String[] getOptions()
getOptions
in interface OptionHandler
public java.lang.String globalInfo()
public java.lang.String percentageTipText()
public double getPercentage()
public void setPercentage(double percent)
percent
- the percentage
java.lang.IllegalArgumentException
- if percentage out of rangepublic java.lang.String invertSelectionTipText()
public boolean getInvertSelection()
public void setInvertSelection(boolean inverse)
inverse
- true if inversion is to be performedpublic Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class Filter
Capabilities
public boolean setInputFormat(Instances instanceInfo) throws java.lang.Exception
setInputFormat
in class Filter
instanceInfo
- an Instances object containing the input instance
structure (any instances contained in the object are ignored - only the
structure is required).
java.lang.Exception
- if the input format can't be set successfullypublic boolean input(Instance instance)
input
in class Filter
instance
- the input instance
java.lang.IllegalStateException
- if no input format has been set.public boolean batchFinished()
batchFinished
in class Filter
java.lang.IllegalStateException
- if no input structure has been definedpublic java.lang.String getRevision()
getRevision
in interface RevisionHandler
public static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter: use -h for help
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