Closed patterns and max-Patterns ■ Exercise.DB={<a1…a1003 1/ ago> 50 a Min_sup=1 What is the set of closed itemset? ■<a1…,a100>:1 <a aco>:2 What is the set of max-pattern <a1n…ta100 What is the set of all patterns? February 4, 2021 Data Mining: Concepts and Techniques 8February 4, 2021 Data Mining: Concepts and Techniques 8 Closed Patterns and Max-Patterns ◼ Exercise. DB = {<a1 , …, a100>, < a1 , …, a50>} ◼ Min_sup = 1. ◼ What is the set of closed itemset? ◼ <a1 , …, a100>: 1 ◼ < a1 , …, a50>: 2 ◼ What is the set of max-pattern? ◼ <a1 , …, a100>: 1 ◼ What is the set of all patterns? ◼ !!