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

Class NumericalFeatureSelection<V extends NumberVector<V,N>,N extends Number>

java.lang.Object

de.lmu.ifi.dbs.elki.data.projection.AbstractFeatureSelection<V,N>

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

Type Parameters:

V - Vector type

N - Number type

All Implemented Interfaces:

Projection<V,V>

public class NumericalFeatureSelection<V extends NumberVector<V,N>,N extends Number>
extends AbstractFeatureSelection<V,N>

Projection class for number vectors.

Field Summary

Fields

Modifier and Type	Field and Description
private int	dimensionality Output dimensionality
private V	factory Object factory
private int	mindim Minimum dimensionality required for projection

Fields inherited from class de.lmu.ifi.dbs.elki.data.projection.AbstractFeatureSelection

adapter

Constructor Summary

Constructors

Constructor and Description
NumericalFeatureSelection(int[] dims, V factory) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
private static <V extends NumberVector<V,N>,N extends Number> NumberArrayAdapter<N,? super V>	getAdapter(V factory) Choose the best adapter for this.
TypeInformation	getInputDataTypeInformation() Input type information.
SimpleTypeInformation<V>	getOutputDataTypeInformation() Output type restriction
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 V extends NumberVector<V,N> factory

Object factory

dimensionality

private int dimensionality

Output dimensionality

Constructor Detail

NumericalFeatureSelection

public NumericalFeatureSelection(int[] dims,
                         V factory)

Constructor.

Parameters:

dims - Dimensions

factory - Object factory

Method Detail

getAdapter

private static <V extends NumberVector<V,N>,N extends Number> NumberArrayAdapter<N,? super V> getAdapter(V factory)

Choose the best adapter for this.

Parameters:

factory - Object factory, for type inference

Returns:

Adapter

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,N>,V extends NumberVector<V,N>>

Overrides:

project in class AbstractFeatureSelection<V extends NumberVector<V,N>,N extends Number>

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,N>,V extends NumberVector<V,N>>

Specified by:

getOutputDataTypeInformation in class AbstractFeatureSelection<V extends NumberVector<V,N>,N extends Number>

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,N>,V extends NumberVector<V,N>>

Specified by:

getInputDataTypeInformation in class AbstractFeatureSelection<V extends NumberVector<V,N>,N extends Number>

Returns:

Type restriction