Uses of Class
elki.itemsetmining.SparseItemset

Packages that use SparseItemset

Package	Description
elki.itemsetmining	Algorithms for frequent itemset mining such as APRIORI.

Uses of SparseItemset in elki.itemsetmining

Methods in elki.itemsetmining that return types with arguments of type SparseItemset

Modifier and Type	Method	Description
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.
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.

Methods in elki.itemsetmining with parameters of type SparseItemset

Modifier and Type	Method	Description
private int	APRIORI.binarySearch(java.util.List<SparseItemset> candidates, SparseItemset scratch, int begin, int end)	Binary-search for the next-larger element.
boolean	SparseItemset.prefixTest(SparseItemset other)	Perform the prefix test for sparse itemset.

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

Modifier and Type	Method	Description
private int	APRIORI.binarySearch(java.util.List<SparseItemset> candidates, SparseItemset scratch, int begin, int end)	Binary-search for the next-larger element.
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.