Question: Data mining Q27 Question 27 6 Points Consider the following dataset, which shows records of 10 customers who purchased various computer devices. PID 1 2

Data mining

Data mining Q27 Question 27 6 Points Consider the following dataset, which

Q27

Question 27 6 Points Consider the following dataset, which shows records of 10 customers who purchased various computer devices. PID 1 2 3 4 5 6 7 8 ITEMS Laptop Printer Laptop Mouse Charger Scanner Laptop Charger Mouse Scanner Printer Scanner Laptop Mouse Scanner Printer Laptop Mouse Mouse Printer Laptop Mouse Scanner 9 10 Apply the a-priori method to discover the relationships between the devices. (a) Build the 1-item set. (b) Build the 2-item set. (c) Extract all rules of the 2-item set in both directions AB and B > A, and then calculate the confidence factors as well as the support factors for all rules. Set the Minimum Coverage Requirement to 3. For simplicity, take into consideration the presence of the item, not the absence (i.e. only consider Laptop = 1, no need to consider Laptop = 0). Hint: the total number of rules you should extract is 6

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