Principles of Data Management

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Step 1

The raw data is scanned to determine the frequency of each product category bought during a visit. The results satisfying the support threshold are shown in Table F.1

Table TABLE F.1 A-priori algorithm: Step 1 results
Product Category	Count
Branded bread	286
Own-label bread	238
Own-label breakfast cereals	225
Branded breakfast cereals	192
Eggs	178
Potatoes	160

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