Question
Consider a dataset that contains 200 transactions. A 4-itemset, {A,B,C,D}, has a support of 31 in this dataset. With this information, answer the following questions.
Consider a dataset that contains 200 transactions. A 4-itemset, {A,B,C,D}, has a support of 31 in this dataset. With this information, answer the following questions.
(a) What is the confidence of the rule {} {A,B,C,D}?
(b) What is the confidence of the rule {A,B,C,D} {}
(c) What is the lift of the rule {} {A,B,C,D}?
(d) What is the lift of the rule {A,B,C,D} {}?
(e) What can you say about the efficacy of the rules in (a)-(d) given the calculated lift values?
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Machine Learning And Knowledge Discovery In Databases Applied Data Science Track European Conference Ecml Pkdd 2021 Bilbao Spain September 13 17 2021 Proceedings Part 4 Lnai 12978
Authors: Yuxiao Dong ,Nicolas Kourtellis ,Barbara Hammer ,Jose A. Lozano
1st Edition
3030865134, 978-3030865139
