|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.attribute.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).
Field Summary |
Fields inherited from class weka.filters.Filter |
m_NewBatch |
Constructor Summary | |
SwapValues()
|
Method Summary | |
int |
getAttributeIndex()
Get the index of the attribute used. |
int |
getFirstValueIndex()
Get the index of the first value used. |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
int |
getSecondValueIndex()
Get the index of the second value used. |
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. |
void |
setAttributeIndex(int attIndex)
Sets index of the attribute used. |
void |
setFirstValueIndex(int 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(int secondIndex)
Sets index of the second value used. |
Methods inherited from class weka.filters.Filter |
batchFilterFile, batchFinished, bufferInput, copyStringValues, copyStringValues, filterFile, flushInput, getInputFormat, getInputStringIndex, getOutputFormat, getOutputStringIndex, getStringIndices, inputFormat, isOutputFormatDefined, numPendingOutput, output, outputFormat, outputFormatPeek, outputPeek, push, resetQueue, setOutputFormat, useFilter |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public SwapValues()
Method Detail |
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
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 Filter
instance
- 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 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 int getAttributeIndex()
public void setAttributeIndex(int attIndex)
public int getFirstValueIndex()
public void setFirstValueIndex(int firstIndex)
public int getSecondValueIndex()
public void setSecondValueIndex(int secondIndex)
public static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter:
use -h for help
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |