Uses of Class
org.tribuo.FeatureMap

Packages that use FeatureMap

Package	Description
org.tribuo	Provides the core interfaces and classes for using Tribuo.
org.tribuo.hash	Provides the base interface and implementations of the Model hashing which obscures the feature names stored in a model.
org.tribuo.impl	Provides implementations of base classes and interfaces from org.tribuo.
org.tribuo.sequence	Provides core classes for working with sequences of Examples.
org.tribuo.transform	Provides infrastructure for applying transformations to a Dataset.

Uses of FeatureMap in org.tribuo

Subclasses of FeatureMap in org.tribuo

Modifier and Type	Class	Description
class	ImmutableFeatureMap	ImmutableFeatureMap is used when unknown features should not be added to the FeatureMap.
class	MutableFeatureMap	A feature map that can record new feature value observations.

Methods in org.tribuo that return FeatureMap

Modifier and Type	Method	Description
abstract FeatureMap	Dataset.getFeatureMap()	Returns this dataset's FeatureMap.

Methods in org.tribuo with parameters of type FeatureMap

Modifier and Type	Method	Description
abstract void	Example.canonicalize(FeatureMap featureMap)	Reassigns feature name Strings in the Example to point to those in the FeatureMap.
void	Example.densify(FeatureMap fMap)	Converts all implicit zeros into explicit zeros based on the supplied feature map.
boolean	FeatureMap.domainEquals(FeatureMap other)	Check if this feature map contains the same features as the supplied one.
static Map<String,VariableIDInfo>	ImmutableFeatureMap.generateIDs(FeatureMap map)	Generates the feature ids by sorting the features with the String comparator, then sequentially numbering them.
abstract boolean	Example.isDense(FeatureMap fMap)	Is this example dense wrt the supplied feature map.

Constructors in org.tribuo with parameters of type FeatureMap

Modifier	Constructor	Description
protected	FeatureMap(FeatureMap map)	Constructs a deep copy of the supplied feature map.
	ImmutableDataset(Iterable<Example<T>> dataSource, DataProvenance description, OutputFactory<T> outputFactory, FeatureMap featureIDMap, OutputInfo<T> outputIDInfo, boolean dropInvalidExamples)	Creates a dataset from a data source.
	ImmutableDataset(DataSource<T> dataSource, FeatureMap featureIDMap, OutputInfo<T> outputIDInfo, boolean dropInvalidExamples)	Creates a dataset from a data source.
	ImmutableFeatureMap(FeatureMap map)	Constructs a new immutable version which is a deep copy of the supplied feature map, generating new ID numbers.

Uses of FeatureMap in org.tribuo.hash

Subclasses of FeatureMap in org.tribuo.hash

Modifier and Type	Class	Description
final class	HashedFeatureMap	A FeatureMap used by the HashingTrainer to provide feature name hashing and guarantee that the Model does not contain feature name information, but still works with unhashed features names.

Methods in org.tribuo.hash with parameters of type FeatureMap

Modifier and Type	Method	Description
static HashedFeatureMap	HashedFeatureMap.generateHashedFeatureMap(FeatureMap map, Hasher hasher)	Converts a standard FeatureMap by hashing each entry using the supplied hash function Hasher.

Uses of FeatureMap in org.tribuo.impl

Methods in org.tribuo.impl with parameters of type FeatureMap

Modifier and Type	Method	Description
void	ArrayExample.canonicalize(FeatureMap featureMap)
void	BinaryFeaturesExample.canonicalize(FeatureMap featureMap)
void	ListExample.canonicalize(FeatureMap featureMap)
void	BinaryFeaturesExample.densify(FeatureMap fMap)
boolean	ArrayExample.isDense(FeatureMap fMap)
boolean	BinaryFeaturesExample.isDense(FeatureMap fMap)
boolean	ListExample.isDense(FeatureMap fMap)

Uses of FeatureMap in org.tribuo.sequence

Methods in org.tribuo.sequence that return FeatureMap

Modifier and Type	Method	Description
abstract FeatureMap	SequenceDataset.getFeatureMap()	The feature map.

Methods in org.tribuo.sequence with parameters of type FeatureMap

Modifier and Type	Method	Description
void	SequenceExample.canonicalise(FeatureMap featureMap)	Reassigns feature name Strings in each Example inside this SequenceExample to point to those in the FeatureMap.
void	SequenceExample.densify(FeatureMap fMap)	Converts all implicit zeros into explicit zeros based on the supplied feature map.
boolean	SequenceExample.isDense(FeatureMap fMap)	Is this sequence example dense wrt the supplied feature map.

Constructors in org.tribuo.sequence with parameters of type FeatureMap

Modifier	Constructor	Description
	ImmutableSequenceDataset(Iterable<SequenceExample<T>> dataSource, DataProvenance sourceProvenance, FeatureMap featureIDMap, OutputInfo<T> outputIDInfo, OutputFactory<T> outputFactory)	Creates a dataset from a data source.
	ImmutableSequenceDataset(SequenceDataSource<T> dataSource, FeatureMap featureIDMap, OutputInfo<T> outputIDInfo)	Creates a dataset from a data source, using the specified output and feature domains.

Uses of FeatureMap in org.tribuo.transform

Methods in org.tribuo.transform with parameters of type FeatureMap

Modifier and Type	Method	Description
boolean	TransformationMap.validateTransformations(FeatureMap featureMap)	Checks that a given transformation set doesn't have conflicts when applied to the supplied featureMap.