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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.attribute.NominalToString
public class NominalToString
Converts a nominal attribute (i.e. set number of values) to string (i.e. unspecified number of values).
Valid options are:-C <col> Sets the range of attributes to convert (default last).
Constructor Summary | |
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NominalToString()
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Method Summary | |
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java.lang.String |
attributeIndexesTipText()
Returns the tip text for this property |
boolean |
batchFinished()
Signifies that this batch of input to the filter is finished. |
java.lang.String |
getAttributeIndexes()
Get the index of the attribute used. |
Capabilities |
getCapabilities()
Returns the Capabilities of this filter. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
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.util.Enumeration |
listOptions()
Returns an enumeration describing the available options. |
static void |
main(java.lang.String[] args)
Main method for testing this class. |
void |
setAttributeIndexes(java.lang.String attIndex)
Sets index of the attribute used. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setOptions(java.lang.String[] options)
Parses a given list of options. |
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 NominalToString()
Method Detail |
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public java.lang.String globalInfo()
public 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).
UnsupportedAttributeTypeException
- if the selected attribute
a string attribute.
java.lang.Exception
- if the input format can't be set
successfully.public boolean input(Instance instance)
input
in class Filter
instance
- the input instance.
java.lang.IllegalStateException
- if no input structure has been defined.public boolean batchFinished()
batchFinished
in class Filter
java.lang.IllegalStateException
- if no input structure has been defined.public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-C <col> Sets the range of attributes to convert (default last).
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 attributeIndexesTipText()
public java.lang.String getAttributeIndexes()
public void setAttributeIndexes(java.lang.String attIndex)
attIndex
- the index of the attributepublic java.lang.String getRevision()
getRevision
in interface RevisionHandler
public static void main(java.lang.String[] args)
args
- should contain arguments to the filter: use -h for help
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