Frequent2FilterOnline< IT_R > Class Template Reference

This class finds the frequent pairs with the array technique. More...

Collaboration diagram for Frequent2FilterOnline< IT_R >:

[legend]List of all members.

Public Member Functions
	Frequent2FilterOnline (IT_R *it_r)
void	findFrequentPairs (std::vector< std::pair< counter_t, std::pair< item_t, item_t > > > &freq_pairs_with_counters, counter_t min_supp)
	This function finds the frequent pairs.
Private Attributes
IT_R *	it_r
const item_t	largest_item

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Detailed Description

template<class IT_R>
class Frequent2FilterOnline< IT_R >

This class finds the frequent pairs with the array technique.

Parameters:

IT_R

the type of the transaction reader.

Definition at line 17 of file Frequent2FilterOnline.cpp.

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Constructor & Destructor Documentation

template<class IT_R> Frequent2FilterOnline< IT_R >::Frequent2FilterOnline (  IT_R *  it_r  )  [inline]

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Member Function Documentation

template<class IT_R> void Frequent2FilterOnline< IT_R >::findFrequentPairs (  std::vector< std::pair< counter_t, std::pair< item_t, item_t > > > &  freq_pairs_with_counters, counter_t  min_supp )  [inline]

This function finds the frequent pairs. Parameters: freq_pairs_with_counters  the vector that stores the frequent pairs. Each element of a vector is a pair, where the first element is the counter, and the second element stores the elements of the pair in an ascending order. min_supp  the support threshold Determining the support of the ipairs Finding the frequent pairs Definition at line 43 of file Frequent2FilterOnline.cpp. References Frequent2FilterOnline< IT_R >::it_r, and Frequent2FilterOnline< IT_R >::largest_item.

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Member Data Documentation

template<class IT_R> IT_R* Frequent2FilterOnline< IT_R >::it_r [private]

Definition at line 31 of file Frequent2FilterOnline.cpp. Referenced by Frequent2FilterOnline< IT_R >::findFrequentPairs().

template<class IT_R> const item_t Frequent2FilterOnline< IT_R >::largest_item [private]

Definition at line 32 of file Frequent2FilterOnline.cpp. Referenced by Frequent2FilterOnline< IT_R >::findFrequentPairs().

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The documentation for this class was generated from the following file:

• Frequent2FilterOnline.cpp

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