Package elki.datasource.filter.typeconversions

Class MultivariateTimeSeriesFilter<V extends FeatureVector<?>>

java.lang.Object

elki.datasource.filter.AbstractStreamFilter

elki.datasource.filter.AbstractStreamConversionFilter<V,V>

elki.datasource.filter.typeconversions.MultivariateTimeSeriesFilter<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

BundleStreamSource, ObjectFilter, StreamFilter

public class MultivariateTimeSeriesFilter<V extends FeatureVector<?>>
extends AbstractStreamConversionFilter<V,V>

Class to "fold" a flat number vector into a multivariate time series.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested classes/interfaces inherited from interface elki.datasource.bundle.BundleStreamSource

BundleStreamSource.Event

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	variates	Number of variates to use.

Fields inherited from class elki.datasource.filter.AbstractStreamFilter

source

Constructor Summary

Constructors

Constructor	Description
MultivariateTimeSeriesFilter(int variates)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected SimpleTypeInformation<? super V>	convertedType(SimpleTypeInformation<V> in)	Get the output type from the input type after conversion.
protected V	filterSingleObject(V obj)	Normalize a single instance.
protected SimpleTypeInformation<? super V>	getInputTypeRestriction()	Get the input type restriction used for negotiating the data query.

Methods inherited from class elki.datasource.filter.AbstractStreamConversionFilter

data, getMeta, nextEvent

Methods inherited from class elki.datasource.filter.AbstractStreamFilter

asMultipleObjectsBundle, assignDBID, filter, hasDBIDs, init, toString

Methods inherited from class java.lang.Object

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

Field Detail

variates

int variates

Number of variates to use.

Constructor Detail

MultivariateTimeSeriesFilter

public MultivariateTimeSeriesFilter(int variates)

Constructor.

Parameters:

variates - Number of variates.

Method Detail

filterSingleObject

protected V filterSingleObject(V obj)

Description copied from class: AbstractStreamConversionFilter

Normalize a single instance. You can implement this as UnsupportedOperationException if you override both public "normalize" functions!

Specified by:

filterSingleObject in class AbstractStreamConversionFilter<V extends FeatureVector<?>,V extends FeatureVector<?>>

Parameters:

obj - Database object to normalize

Returns:

Normalized database object

getInputTypeRestriction

protected SimpleTypeInformation<? super V> getInputTypeRestriction()

Description copied from class: AbstractStreamConversionFilter

Get the input type restriction used for negotiating the data query.

Specified by:

getInputTypeRestriction in class AbstractStreamConversionFilter<V extends FeatureVector<?>,V extends FeatureVector<?>>

Returns:

Type restriction

convertedType

protected SimpleTypeInformation<? super V> convertedType(SimpleTypeInformation<V> in)

Description copied from class: AbstractStreamConversionFilter

Get the output type from the input type after conversion.

Specified by:

convertedType in class AbstractStreamConversionFilter<V extends FeatureVector<?>,V extends FeatureVector<?>>

Parameters:

in - input type restriction

Returns:

output type restriction