de.lmu.ifi.dbs.elki.datasource.filter
Class ClassLabelFilter

java.lang.Object
  de.lmu.ifi.dbs.elki.datasource.filter.ClassLabelFilter

All Implemented Interfaces:

ObjectFilter

public class ClassLabelFilter
extends Object
implements ObjectFilter

Class that turns a label column into a class label column.

Nested Class Summary

static class

ClassLabelFilter.Parameterizer Parameterization class.

Field Summary

static OptionID	CLASS_LABEL_CLASS_ID Parameter to specify the class of occurring class labels.
static OptionID	CLASS_LABEL_INDEX_ID Optional parameter that specifies the index of the label to be used as class label, must be an integer equal to or greater than 0.
private ClassLabel.Factory<?>	classLabelFactory The class label class to use.
private int	classLabelIndex The index of the label to be used as class label, null if no class label is specified.

Constructor Summary

ClassLabelFilter(int classLabelIndex, ClassLabel.Factory<?> classLabelFactory)
Constructor.

Method Summary

MultipleObjectsBundle

filter(MultipleObjectsBundle objects) Filter a set of object packages.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CLASS_LABEL_INDEX_ID

public static final OptionID CLASS_LABEL_INDEX_ID

Optional parameter that specifies the index of the label to be used as class label, must be an integer equal to or greater than 0.

Key: -dbc.classLabelIndex

CLASS_LABEL_CLASS_ID

public static final OptionID CLASS_LABEL_CLASS_ID

Parameter to specify the class of occurring class labels.

Key: -dbc.classLabelClass

classLabelIndex

private final int classLabelIndex

The index of the label to be used as class label, null if no class label is specified.

classLabelFactory

private final ClassLabel.Factory<?> classLabelFactory

The class label class to use.

Constructor Detail

ClassLabelFilter

public ClassLabelFilter(int classLabelIndex,
                        ClassLabel.Factory<?> classLabelFactory)

Constructor.

Parameters:

classLabelIndex - The index to convert

classLabelFactory - The class label factory to use

Method Detail

filter

public MultipleObjectsBundle filter(MultipleObjectsBundle objects)

Description copied from interface: ObjectFilter

Filter a set of object packages.

Specified by:

filter in interface ObjectFilter

Parameters:

objects - Object to filter

Returns:

Filtered objects