V
- Vector typepublic class NumberVectorFeatureSelectionFilter<V extends NumberVector<?>> extends AbstractVectorStreamConversionFilter<V,V>
Parser to project the ParsingResult obtained by a suitable base parser onto a selected subset of attributes.
Modifier and Type | Class and Description |
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static class |
NumberVectorFeatureSelectionFilter.Parameterizer
Parameterization class.
|
BundleStreamSource.Event
Modifier and Type | Field and Description |
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private BitSet |
selectedAttributes
Keeps the selection of the subspace to project onto.
|
factory
source
Constructor and Description |
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NumberVectorFeatureSelectionFilter(BitSet selectedAttributes)
Constructor.
|
Modifier and Type | Method and Description |
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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.
|
int |
getDimensionality()
Get the resulting dimensionality.
|
protected SimpleTypeInformation<? super V> |
getInputTypeRestriction()
Get the input type restriction used for negotiating the data query.
|
BitSet |
getSelectedAttributes()
Provides a BitSet with the bits set to true corresponding to the selected
attributes in
NumberVectorFeatureSelectionFilter.Parameterizer.SELECTED_ATTRIBUTES_ID . |
void |
setSelectedAttributes(BitSet selectedAttributes)
Sets the bits set to true in the given BitSet as selected attributes in
NumberVectorFeatureSelectionFilter.Parameterizer.SELECTED_ATTRIBUTES_ID . |
initializeOutputType
data, getMeta, nextEvent
filter, init
private BitSet selectedAttributes
public NumberVectorFeatureSelectionFilter(BitSet selectedAttributes)
selectedAttributes
- Selected attributesprotected V filterSingleObject(V obj)
AbstractStreamConversionFilter
filterSingleObject
in class AbstractStreamConversionFilter<V extends NumberVector<?>,V extends NumberVector<?>>
obj
- Database object to normalizeprotected SimpleTypeInformation<? super V> getInputTypeRestriction()
AbstractStreamConversionFilter
getInputTypeRestriction
in class AbstractStreamConversionFilter<V extends NumberVector<?>,V extends NumberVector<?>>
protected SimpleTypeInformation<? super V> convertedType(SimpleTypeInformation<V> in)
AbstractStreamConversionFilter
convertedType
in class AbstractStreamConversionFilter<V extends NumberVector<?>,V extends NumberVector<?>>
in
- input type restrictionpublic void setSelectedAttributes(BitSet selectedAttributes)
Sets the bits set to true in the given BitSet as selected attributes in
NumberVectorFeatureSelectionFilter.Parameterizer.SELECTED_ATTRIBUTES_ID
.
selectedAttributes
- the new selected attributespublic BitSet getSelectedAttributes()
Provides a BitSet with the bits set to true corresponding to the selected
attributes in NumberVectorFeatureSelectionFilter.Parameterizer.SELECTED_ATTRIBUTES_ID
.
public int getDimensionality()