SparseBitmatrix_create.hpp File Reference

#include "common/debug.hpp"
#include <vector>

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Defines
#define	__SPARSEBITMATRIX_CREATE_HPP_   t
	SparseBitmatrix_create.hpp -- create a sparse item transaction incidence bitmatrix from transaction data.
Typedefs
typedef std::vector< std::pair< counter_t, item_t > >	CounterItemPairs
Functions
template<class TRANSACTION_READER>
SparseBitmatrix *	createSparseItemTransactionIncidenceMatrix (TRANSACTION_READER &tdb, CounterItemPairs &freqItems)
	Create a sparse item transaction incidence bitmatrix from transaction data.

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Define Documentation

#define __SPARSEBITMATRIX_CREATE_HPP_   t

SparseBitmatrix_create.hpp -- create a sparse item transaction incidence bitmatrix from transaction data. Definition at line 7 of file SparseBitmatrix_create.hpp.

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Typedef Documentation

typedef std::vector<std::pair<counter_t, item_t> > CounterItemPairs

Definition at line 18 of file SparseBitmatrix_create.hpp.

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Function Documentation

template<class TRANSACTION_READER> SparseBitmatrix* createSparseItemTransactionIncidenceMatrix (  TRANSACTION_READER &  tdb, CounterItemPairs &  freqItems )

Create a sparse item transaction incidence bitmatrix from transaction data. Parameters: tdb  transaction reader for transaction database that contains only frequent items. freqItems  pairs of items and occurrence counters (for frequent items). Returns: a sparse item transaction incidence bitmatrix for all frequent items in the transaction database. Definition at line 27 of file SparseBitmatrix_create.hpp. References SparseBitmatrix::push_back(). Referenced by Eclat< TRANSACTION_READER, PATTERN_WRITER >::findFrequentPatterns().

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