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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.attribute.PotentialClassIgnorer
weka.filters.unsupervised.attribute.Discretize
weka.filters.unsupervised.attribute.PKIDiscretize
public class PKIDiscretize
Discretizes numeric attributes using equal frequency binning where the number of bins is equal to the square root of the number of non-missing values.
Valid filter-specific options are:
-R col1,col2-col4,...
Specifies list of columns to Discretize. First
and last are valid indexes. (default: first-last)
-V
Invert matching sense.
-D
Make binary nominal attributes.
| Constructor Summary | |
|---|---|
PKIDiscretize()
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| Method Summary | |
|---|---|
java.lang.String |
binsTipText()
Returns the tip text for this property |
java.lang.String |
findNumBinsTipText()
Returns the tip text for this property |
int |
getBins()
Ignored |
boolean |
getFindNumBins()
Get the value of FindNumBins. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
boolean |
getUseEqualFrequency()
Get the value of UseEqualFrequency. |
java.lang.String |
globalInfo()
Returns a string describing this filter |
java.util.Enumeration |
listOptions()
Gets an enumeration describing the available options. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
void |
setBins(int numBins)
Ignored |
void |
setFindNumBins(boolean newFindNumBins)
Set the value of FindNumBins. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setOptions(java.lang.String[] options)
Parses the options for this object. |
void |
setUseEqualFrequency(boolean newUseEqualFrequency)
Set the value of UseEqualFrequency. |
java.lang.String |
useEqualFrequencyTipText()
Returns the tip text for this property |
| Methods inherited from class weka.filters.unsupervised.attribute.Discretize |
|---|
attributeIndicesTipText, batchFinished, desiredWeightOfInstancesPerIntervalTipText, getAttributeIndices, getCutPoints, getDesiredWeightOfInstancesPerInterval, getInvertSelection, getMakeBinary, input, invertSelectionTipText, makeBinaryTipText, setAttributeIndices, setAttributeIndicesArray, setDesiredWeightOfInstancesPerInterval, setInvertSelection, setMakeBinary |
| Methods inherited from class weka.filters.unsupervised.attribute.PotentialClassIgnorer |
|---|
getOutputFormat, setIgnoreClass |
| Methods inherited from class weka.filters.Filter |
|---|
batchFilterFile, filterFile, inputFormat, isOutputFormatDefined, numPendingOutput, output, outputFormat, outputPeek, useFilter |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public PKIDiscretize()
| Method Detail |
|---|
public boolean setInputFormat(Instances instanceInfo)
throws java.lang.Exception
setInputFormat in class DiscretizeinstanceInfo - 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 java.util.Enumeration listOptions()
listOptions in interface OptionHandlerlistOptions in class Discretize
public void setOptions(java.lang.String[] options)
throws java.lang.Exception
-R col1,col2-col4,...
Specifies list of columns to Discretize. First
and last are valid indexes. (default none)
-V
Invert matching sense.
-D
Make binary nominal attributes.
setOptions in interface OptionHandlersetOptions in class Discretizeoptions - 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 OptionHandlergetOptions in class Discretizepublic java.lang.String globalInfo()
globalInfo in class Discretizepublic java.lang.String findNumBinsTipText()
findNumBinsTipText in class Discretizepublic boolean getFindNumBins()
getFindNumBins in class Discretizepublic void setFindNumBins(boolean newFindNumBins)
setFindNumBins in class DiscretizenewFindNumBins - Value to assign to FindNumBins.public java.lang.String useEqualFrequencyTipText()
useEqualFrequencyTipText in class Discretizepublic boolean getUseEqualFrequency()
getUseEqualFrequency in class Discretizepublic void setUseEqualFrequency(boolean newUseEqualFrequency)
setUseEqualFrequency in class DiscretizenewUseEqualFrequency - Value to assign to UseEqualFrequency.public java.lang.String binsTipText()
binsTipText in class Discretizepublic int getBins()
getBins in class Discretizepublic void setBins(int numBins)
setBins in class DiscretizenumBins - the number of binspublic static void main(java.lang.String[] argv)
argv - should contain arguments to the filter: use -h for help
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