de.lmu.ifi.dbs.elki.data.projection

Class NumericalFeatureSelection<V extends NumberVector<?>>

java.lang.Object

de.lmu.ifi.dbs.elki.data.projection.NumericalFeatureSelection<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

Projection<V,V>, Parameterizable

public class NumericalFeatureSelection<V extends NumberVector<?>>
extends Object
implements Projection<V,V>

Projection class for number vectors. FIXME: Use int[] instead of a BitSet, to allow reordering?

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NumericalFeatureSelection.Parameterizer<V extends NumberVector<?>> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
private BitSet	bits Subspace.
private int	dimensionality Output dimensionality.
private NumberVector.Factory<V,?>	factory Object factory.
private int	mindim Minimum dimensionality required for projection.

Constructor Summary

Constructors

Constructor and Description
NumericalFeatureSelection(BitSet bits) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
TypeInformation	getInputDataTypeInformation() Input type information.
SimpleTypeInformation<V>	getOutputDataTypeInformation() Output type restriction
void	initialize(SimpleTypeInformation<V> in) Initialize
V	project(V data) Project a single instance.

Methods inherited from class java.lang.Object

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

Field Detail

mindim

private int mindim

Minimum dimensionality required for projection.

factory

private NumberVector.Factory<V extends NumberVector<?>,?> factory

Object factory.

dimensionality

private int dimensionality

Output dimensionality.

bits

private BitSet bits

Subspace.

Constructor Detail

NumericalFeatureSelection

public NumericalFeatureSelection(BitSet bits)

Constructor.

Parameters:

bits - Dimensions

Method Detail

initialize

public void initialize(SimpleTypeInformation<V> in)

Description copied from interface: Projection

Initialize

Specified by:

initialize in interface Projection<V extends NumberVector<?>,V extends NumberVector<?>>

Parameters:

in - Data type to use for projecting.

project

public V project(V data)

Description copied from interface: Projection

Project a single instance.

Specified by:

project in interface Projection<V extends NumberVector<?>,V extends NumberVector<?>>

Parameters:

data - Data to project

Returns:

Projected data

getOutputDataTypeInformation

public SimpleTypeInformation<V> getOutputDataTypeInformation()

Description copied from interface: Projection

Output type restriction

Specified by:

getOutputDataTypeInformation in interface Projection<V extends NumberVector<?>,V extends NumberVector<?>>

Returns:

Output type

getInputDataTypeInformation

public TypeInformation getInputDataTypeInformation()

Description copied from interface: Projection

Input type information.

Specified by:

getInputDataTypeInformation in interface Projection<V extends NumberVector<?>,V extends NumberVector<?>>

Returns:

Type restriction