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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.attribute.MergeTwoValues
public class MergeTwoValues
Merges two values of a nominal attribute.
Valid filter-specific options are:
-C col
The column containing the values to be merged. (default last)
-F index
Index of the first value (default first).
-S index
Index of the second value (default last).
Constructor Summary | |
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MergeTwoValues()
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Method Summary | |
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java.lang.String |
attributeIndexTipText()
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java.lang.String |
firstValueTipText()
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java.lang.String |
getAttributeIndex()
Get the index of the attribute used. |
java.lang.String |
getFirstValueIndex()
Get the index of the first value used. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
java.lang.String |
getSecondValueIndex()
Get the index of the second value used. |
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[] argv)
Main method for testing this class. |
java.lang.String |
secondValueTipText()
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void |
setAttributeIndex(java.lang.String attIndex)
Sets index of the attribute used. |
void |
setFirstValueIndex(java.lang.String firstIndex)
Sets index of the first value used. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setOptions(java.lang.String[] options)
Parses the options for this object. |
void |
setSecondValueIndex(java.lang.String secondIndex)
Sets index of the second value used. |
Methods inherited from class weka.filters.Filter |
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batchFilterFile, batchFinished, filterFile, getOutputFormat, inputFormat, isOutputFormatDefined, numPendingOutput, output, outputFormat, outputPeek, useFilter |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MergeTwoValues()
Method Detail |
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public java.lang.String globalInfo()
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 java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-C col
The column containing the values to be merged. (default last)
-F index
Index of the first value (default first).
-S index
Index of the second value (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 attributeIndexTipText()
public java.lang.String getAttributeIndex()
public void setAttributeIndex(java.lang.String attIndex)
index
- the index of the attributepublic java.lang.String firstValueTipText()
public java.lang.String getFirstValueIndex()
public void setFirstValueIndex(java.lang.String firstIndex)
index
- the index of the first valuepublic java.lang.String secondValueTipText()
public java.lang.String getSecondValueIndex()
public void setSecondValueIndex(java.lang.String secondIndex)
index
- the index of the second valuepublic static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter:
use -h for help
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