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Assignment on Data mining
Specify the advantages of using concept hierarchies in data mining applications
Faculty of Information Technology, University of Moratuwa Bachelor of Information Technology Degree Programme ITE 3 432 Assignment 2 (1) Specify the advantages of using concept hiera rchies in data mining applications. (Marks: 20 ) (2) Define support and confidence in association rule mining. (Marks: 20 ) (3) Consider the market basket data represented in binary format in the following table. (Marks: 40) Trans_id bread milk butter Jelly Jam 1 0 1 1 1 0 2 0 1 1 0 0 3 1 1 1 0 0 4 0 1 0 0 1 5 1 0 0 0 1 6 1 0 1 0 0 7 0 1 1 0 0 Generate association rules using Apriori Association rule generation algorithm. Consider Min support value as 2. (4) Following schema diagram represent a data warehouse which consists of the three dimensions time, doctor, and patient, and the two measures count and charge (doctor fee for a patient). Starting with the base cuboid [day, doctor, patient], what specific OLAP operations should be performed in order to count the number of patients appeared at each doct or in 2020? (Marks : 20 )