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java.lang.Object weka.filters.Filter weka.filters.unsupervised.attribute.Add
An instance filter that adds a new attribute to the dataset. The new attribute contains all missing values.
Valid filter-specific options are:
-C index
Specify where to insert the column. First and last are valid indexes.
(default last)
-L label1,label2,...
Create nominal attribute with the given labels
(default numeric attribute)
-N name
Name of the new attribute. (default = 'Unnamed')
Field Summary | |
protected int |
m_AttributeType
Record the type of attribute to insert |
private SingleIndex |
m_Insert
The location to insert the new attribute |
protected FastVector |
m_Labels
The list of labels for nominal attribute |
protected java.lang.String |
m_Name
The name for the new attribute |
Fields inherited from class weka.filters.Filter |
m_NewBatch |
Constructor Summary | |
Add()
|
Method Summary | |
java.lang.String |
attributeIndexTipText()
Returns the tip text for this property |
java.lang.String |
attributeNameTipText()
Returns the tip text for this property |
java.lang.String |
getAttributeIndex()
Get the index of the attribute used. |
java.lang.String |
getAttributeName()
Get the name of the attribute to be created |
java.lang.String |
getNominalLabels()
Get the list of labels for nominal attribute creation |
java.lang.String[] |
getOptions()
Gets the current settings of the filter. |
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 |
nominalLabelsTipText()
Returns the tip text for this property |
void |
setAttributeIndex(java.lang.String attIndex)
Sets index of the attribute used. |
void |
setAttributeName(java.lang.String name)
Set the new attribute's name |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setNominalLabels(java.lang.String labelList)
Set the labels for nominal attribute creation. |
void |
setOptions(java.lang.String[] options)
Parses a list of options for this object. |
Methods inherited from class weka.filters.Filter |
batchFilterFile, batchFinished, bufferInput, copyStringValues, copyStringValues, filterFile, flushInput, getInputFormat, getInputStringIndex, getOutputFormat, getOutputStringIndex, getStringIndices, inputFormat, inputFormatPeek, 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 |
Field Detail |
protected int m_AttributeType
protected java.lang.String m_Name
private SingleIndex m_Insert
protected FastVector m_Labels
Constructor Detail |
public Add()
Method Detail |
public java.lang.String globalInfo()
public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-C index
Specify where to insert the column. First and last are valid indexes.
(default last)
-L label1,label2,...
Create nominal attribute with the given labels
(default numeric attribute)
-N name
Name of the new attribute. (default = 'Unnamed')
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 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 format couldn'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 defined.public java.lang.String attributeNameTipText()
public java.lang.String getAttributeName()
public void setAttributeName(java.lang.String name)
name
- the new namepublic java.lang.String attributeIndexTipText()
public java.lang.String getAttributeIndex()
public void setAttributeIndex(java.lang.String attIndex)
public java.lang.String nominalLabelsTipText()
public java.lang.String getNominalLabels()
public void setNominalLabels(java.lang.String labelList)
labelList
- a comma separated list of labels
java.lang.IllegalArgumentException
- if the labelList was invalidpublic static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter: use -h for help
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