6.3. The Apriori algorithm makes use of prior knowledge of subset support proper

6.3. The Apriori algorithm makes use of prior knowledge of subset support proper

6.3. The Apriori algorithm makes use of prior knowledge of subset support properties. (a) Prove that all nonempty subsets of a frequent itemset must also be frequent. (b) Prove that the support of any nonempty subset s′of itemset s must be at least as gre