中国大学MOOC: 如下表所示，使用FP-Growth计算其频繁集，给定最小支持度为40%，频繁模式树（FP树）有（ ）个结点。（不包括根结点）。交易号（TID）商品（Items）1beer, diaper, nuts2beer, biscuit, diaper3bread, butter, cheese4beer, cheese, diaper, nuts5beer, butter, cheese, nuts
举一反三
- 如下表所示，X={butter,cheese}，Y={beer}，则置信度confidence(X→Y)=（ ）。交易号（TID）商品（Items）1beer, diaper, nuts2beer, biscuit, diaper3bread, butter, cheese4beer, cheese, diaper, nuts5beer, butter, cheese, nuts? 2/5|1/3|1/4|1/2
- Milk，butter，and cheese are（）here from the farms.
- Milk, butter and cheese are _______ here from the farms.
- There’s _____ those bottles there. A: much beer on B: many beer in C: a lot of beer in D: a lot of beer on
- Would you like some beer? Yes, two ____ of beer, please!