Package adams.data.weka

Class WekaAttributeIndex

java.lang.Object

adams.core.Index

adams.core.AbstractDataBackedIndex<weka.core.Instances>

adams.data.weka.WekaAttributeIndex

All Implemented Interfaces:

CloneHandler<Index>, CustomDisplayStringProvider, ExampleProvider, HelpProvider, Serializable, Comparable<Index>

public class WekaAttributeIndex
extends AbstractDataBackedIndex<weka.core.Instances>

Extended Index class that can use an attribute name to determine an index of a attribute as well.

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class adams.core.AbstractDataBackedIndex

m_Data, m_Indices, m_Names

Fields inherited from class adams.core.Index

FIRST, LAST, LAST_1, LAST_2, m_Index, m_IntIndex, m_Max, m_Raw, NUMERIC_START, SECOND, THIRD

Constructor Summary

Constructors

Constructor	Description
WekaAttributeIndex()	Initializes with no index.
WekaAttributeIndex(String index)	Initializes with the given index, but no maximum.
WekaAttributeIndex(String index, int max)	Initializes with the given index and maximum.

Method Summary

Modifier and Type	Method	Description
WekaAttributeIndex	getClone()	Returns a clone of the object.
String	getExample()	Returns the example.
protected String	getName(weka.core.Instances data, int colIndex)	Returns the column name at the specified index.
protected int	getNumNames(weka.core.Instances data)	Returns the number of columns the dataset has.

Methods inherited from class adams.core.AbstractDataBackedIndex

clean, getData, getIndices, getIntIndex, getNames, initialize, isName, parse, replaceName, setData

Methods inherited from class adams.core.Index

compareTo, equals, getHelpDescription, getHelpIcon, getHelpTitle, getHelpURL, getIndex, getIntIndex, getMax, hashCode, hasIndex, isEmpty, isPlaceholder, parsePlaceholder, reset, setIndex, setMax, toDisplay, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

WekaAttributeIndex

public WekaAttributeIndex()

Initializes with no index.

WekaAttributeIndex

public WekaAttributeIndex(String index)

Initializes with the given index, but no maximum.

Parameters:

index - the index to use

WekaAttributeIndex

public WekaAttributeIndex(String index,
                          int max)

Initializes with the given index and maximum.

Parameters:

index - the index to use

max - the maximum of the 1-based index (e.g., use "10" to allow "1-10" or -1 for uninitialized)

Method Detail

getClone

public WekaAttributeIndex getClone()

Returns a clone of the object.

Specified by:

getClone in interface CloneHandler<Index>

Overrides:

getClone in class AbstractDataBackedIndex<weka.core.Instances>

Returns:

the clone

getNumNames

protected int getNumNames(weka.core.Instances data)

Returns the number of columns the dataset has.

Specified by:

getNumNames in class AbstractDataBackedIndex<weka.core.Instances>

Parameters:

data - the dataset to retrieve the number of columns

getName

protected String getName(weka.core.Instances data,
                         int colIndex)

Returns the column name at the specified index.

Specified by:

getName in class AbstractDataBackedIndex<weka.core.Instances>

Parameters:

data - the dataset to use

colIndex - the column index

Returns:

the column name

getExample

public String getExample()

Returns the example.

Specified by:

getExample in interface ExampleProvider

Overrides:

getExample in class Index

Returns:

the example