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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.attribute.SwapValues
public class SwapValues
Swaps two values of a nominal attribute.
Valid filter-specific options are:
-C col
Index of the attribute to be changed. (default last)
-F index
Index of the first value (default first).
-S index
Index of the second value (default last).
| Constructor Summary | |
|---|---|
SwapValues()
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| Method Summary | |
|---|---|
java.lang.String |
attributeIndexTipText()
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java.lang.String |
firstValueIndexTipText()
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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 |
secondValueIndexTipText()
|
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 |
|---|
batchFilterFile, batchFinished, filterFile, getOutputFormat, 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 SwapValues()
| Method Detail |
|---|
public java.lang.String globalInfo()
public boolean setInputFormat(Instances instanceInfo)
throws java.lang.Exception
setInputFormat in class FilterinstanceInfo - 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
is not nominal or if it only has one value.
java.lang.Exception - if the input format can't be set
successfullypublic boolean input(Instance instance)
input in class Filterinstance - the input instance
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
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 OptionHandleroptions - 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 OptionHandlerpublic 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 firstValueIndexTipText()
public java.lang.String getFirstValueIndex()
public void setFirstValueIndex(java.lang.String firstIndex)
index - the index of the first valuepublic java.lang.String secondValueIndexTipText()
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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