Uses of Class
elki.data.BitVector

Packages that use BitVector

Package	Description
elki.data	Basic classes for different data types, database object types and label types.
elki.data.type	Data type information, also used for type restrictions.
elki.datasource.parser	Parsers for different file formats and data types.
elki.itemsetmining	Algorithms for frequent itemset mining such as APRIORI.
elki.itemsetmining.associationrules	Association rule mining.
elki.result	Result types, representation and handling.

Uses of BitVector in elki.data

Fields in elki.data with type parameters of type BitVector

Modifier and Type	Field	Description
static ByteBufferSerializer<BitVector>	BitVector.SHORT_SERIALIZER	Serializer for up to 2^15-1 dimensions.

Methods in elki.data that return BitVector

Modifier and Type	Method	Description
BitVector	BitVector.ShortSerializer.fromByteBuffer(java.nio.ByteBuffer buffer)
<A> BitVector	BitVector.Factory.newFeatureVector(A array, ArrayAdapter<? extends java.lang.Number,A> adapter)
<A> BitVector	BitVector.Factory.newNumberVector(A array, NumberArrayAdapter<?,? super A> adapter)
BitVector	BitVector.Factory.newNumberVector(it.unimi.dsi.fastutil.ints.Int2DoubleOpenHashMap values, int maxdim)

Methods in elki.data that return types with arguments of type BitVector

Modifier and Type	Method	Description
ByteBufferSerializer<BitVector>	BitVector.Factory.getDefaultSerializer()
java.lang.Class<? super BitVector>	BitVector.Factory.getRestrictionClass()

Methods in elki.data with parameters of type BitVector

Modifier and Type	Method	Description
int	BitVector.ShortSerializer.getByteSize(BitVector vec)
int	BitVector.hammingDistance(BitVector v2)	Compute the Hamming distance of two bit vectors.
boolean	BitVector.intersect(BitVector v2)	Compute whether two vectors intersect.
int	BitVector.intersectionSize(BitVector v2)	Compute the vector intersection size.
double	BitVector.jaccardSimilarity(BitVector v2)	Compute the Jaccard similarity of two bit vectors.
void	BitVector.ShortSerializer.toByteBuffer(java.nio.ByteBuffer buffer, BitVector vec)
int	BitVector.unionSize(BitVector v2)	Compute the vector union size.

Uses of BitVector in elki.data.type

Fields in elki.data.type with type parameters of type BitVector

Modifier and Type	Field	Description
static VectorTypeInformation<BitVector>	TypeUtil.BIT_VECTOR	Input type for algorithms that require bit vectors.
static VectorFieldTypeInformation<BitVector>	TypeUtil.BIT_VECTOR_FIELD	Input type for algorithms that require bit vector fields.

Uses of BitVector in elki.datasource.parser

Fields in elki.datasource.parser declared as BitVector

Modifier and Type	Field	Description
(package private) BitVector	SimpleTransactionParser.curvec	Current vector.

Uses of BitVector in elki.itemsetmining

Methods in elki.itemsetmining with parameters of type BitVector

Modifier and Type	Method	Description
private boolean	APRIORI.initializeSearchItemset(BitVector bv, int[] scratchi, int[] iters)	Initialize the scratch itemset.
private boolean	APRIORI.nextSearchItemset(BitVector bv, int[] scratchi, int[] iters)	Advance scratch itemset to the next.

Method parameters in elki.itemsetmining with type arguments of type BitVector

Modifier and Type	Method	Description
java.lang.StringBuilder	DenseItemset.appendItemsTo(java.lang.StringBuilder buf, VectorFieldTypeInformation<BitVector> meta)
java.lang.StringBuilder	Itemset.appendItemsTo(java.lang.StringBuilder buf, VectorFieldTypeInformation<BitVector> meta)	Only append the items to a string buffer.
java.lang.StringBuilder	OneItemset.appendItemsTo(java.lang.StringBuilder buf, VectorFieldTypeInformation<BitVector> meta)
java.lang.StringBuilder	SmallDenseItemset.appendItemsTo(java.lang.StringBuilder buf, VectorFieldTypeInformation<BitVector> meta)
java.lang.StringBuilder	Itemset.appendTo(java.lang.StringBuilder buf, VectorFieldTypeInformation<BitVector> meta)	Append items and support to a string buffer.
private FPGrowth.FPTree	FPGrowth.buildFPTree(Relation<BitVector> relation, int[] iidx, int items)	Build the actual FP-tree structure.
protected java.util.List<SparseItemset>	APRIORI.buildFrequentTwoItemsets(java.util.List<OneItemset> oneitems, Relation<BitVector> relation, int dim, int needed, DBIDs ids, ArrayModifiableDBIDs survivors)	Build the 2-itemsets.
private DBIDs[]	Eclat.buildIndex(Relation<BitVector> relation, int dim, int minsupp)
private int[]	FPGrowth.countItemSupport(Relation<BitVector> relation, int dim)	Count the support of each 1-item.
private java.lang.StringBuilder	APRIORI.debugDumpCandidates(java.lang.StringBuilder msg, java.util.List<? extends Itemset> candidates, VectorFieldTypeInformation<BitVector> meta)	Debug method: output all itemsets.
protected java.util.List<? extends Itemset>	APRIORI.frequentItemsets(java.util.List<? extends Itemset> candidates, Relation<BitVector> relation, int needed, DBIDs ids, ArrayModifiableDBIDs survivors, int length)	Returns the frequent BitSets out of the given BitSets with respect to the given database.
protected java.util.List<SparseItemset>	APRIORI.frequentItemsetsSparse(java.util.List<SparseItemset> candidates, Relation<BitVector> relation, int needed, DBIDs ids, ArrayModifiableDBIDs survivors, int length)	Returns the frequent BitSets out of the given BitSets with respect to the given database.
FrequentItemsetsResult	APRIORI.run(Relation<BitVector> relation)	Performs the APRIORI algorithm on the given database.
FrequentItemsetsResult	Eclat.run(Relation<BitVector> relation)	Run the Eclat algorithm
FrequentItemsetsResult	FPGrowth.run(Relation<BitVector> relation)	Run the FP-Growth algorithm

Uses of BitVector in elki.itemsetmining.associationrules

Fields in elki.itemsetmining.associationrules with type parameters of type BitVector

Modifier and Type	Field	Description
private VectorFieldTypeInformation<BitVector>	AssociationRuleGeneration.Instance.meta	Metadata for printing.

Method parameters in elki.itemsetmining.associationrules with type arguments of type BitVector

Modifier and Type	Method	Description
java.lang.StringBuilder	AssociationRule.appendTo(java.lang.StringBuilder buf, VectorFieldTypeInformation<BitVector> meta)	Append to a string buffer.

Uses of BitVector in elki.result

Fields in elki.result with type parameters of type BitVector

Modifier and Type	Field	Description
private VectorFieldTypeInformation<BitVector>	AssociationRuleResult.meta	Metadata of the data relation, for item labels.
private VectorFieldTypeInformation<BitVector>	FrequentItemsetsResult.meta	Metadata of the data relation, for item labels.

Methods in elki.result that return types with arguments of type BitVector

Modifier and Type	Method	Description
VectorFieldTypeInformation<BitVector>	AssociationRuleResult.getMeta()	Returns Metadata of the data relation, for item labels.
VectorFieldTypeInformation<BitVector>	FrequentItemsetsResult.getMeta()	Get the metadata used for serialization.

Constructor parameters in elki.result with type arguments of type BitVector

Constructor	Description
AssociationRuleResult(java.util.List<AssociationRule> rules, VectorFieldTypeInformation<BitVector> meta)	Constructor.
FrequentItemsetsResult(java.util.List<Itemset> itemsets, VectorFieldTypeInformation<BitVector> meta, int total)	Constructor.