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A database has four transactions, given below, TID Date items_bought T10 1/10/2021 {K, A, D, B} T20 1/11/2021 {D, A, C, E, B} T30 2/1/2021 {C, A, B, E} T40 2/3/2021 {B, A, D} Assuming a minimum level of support min_sup = 60% and a minimum level of confidence min_conf = 80%. (a) Find all frequent itemsets (not just the ones with the maximum width/length) using the Apriori algorithm. Show your work—just showing the final answer is not acceptable. For each iteration show the candidate (Ci) and acceptable frequent itemsets (Li). (b) List all of the strong association rules, along with their support and confidence values

A database has four transactions, given below, TID Date items_bought T10 1/10/2021 {K, A, D, B} T20 1/11/2021 {D, A, C, E, B} T30 2/1/2021 {C, A, B, E} T40 2/3/2021 {B, A, D} Assuming a minimum level of support min_sup = 60% and a minimum level of confidence min_conf = 80%. (a) Find all frequent itemsets (not just the ones with the maximum width/length) using the Apriori algorithm. Show your work—just showing the final answer is not acceptable. For each iteration show the candidate (Ci) and acceptable frequent itemsets (Li). (b) List all of the strong association rules, along with their support and confidence values

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Data Mining

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A database has four transactions, given below,

TID

Date

items_bought

T10

1/10/2021

{K, A, D, B}

T20

1/11/2021

{D, A, C, E, B}

T30

2/1/2021

{C, A, B, E}

T40

2/3/2021

{B, A, D}

Assuming a minimum level of support min_sup = 60% and a minimum level of confidence min_conf = 80%.

(a) Find all frequent itemsets (not just the ones with the maximum width/length) using the Apriori algorithm. Show your work—just showing the final answer is not acceptable. For each iteration show the candidate (Ci) and acceptable frequent itemsets (Li).

(b) List all of the strong association rules, along with their support and confidence values.

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