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Nt1330 Unit 2 Regression Analysis

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Re: How to calculate support and confidence? Posted by: webmasterphilfv Date: July 26, 2015 02:55AM The explanation by THomas is correct. Here is another explanation that will perhaps help you. Consider that transaction database: Transaction id Items t1 {1, 2, 4, 5} t2 {2, 3, 5} t3 {1, 2, 4, 5} t4 {1, 2, 3, 5} t5 {1, 2, 3, 4, 5} t6 {2, 3, 4} The output of an association rule mining algorithm is a set of association rules respecting the user-specified minsup and minconf thresholds. An association rule X==>Y is a relationship between two itemsets (sets of items) X and Y such that the intersection of X and Y is empty. The support of a rule is the number of transactions that contains X∪Y. The confidence of a rule is the number of transactions

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