A frequent pattern tree is a tree structure consisting of ________.
A. an item-prefix-tree.
B. a frequent-item-header table.
C. a frequent-item-node.
D. both A & B.
Answer:D
A frequent pattern tree is a tree structure consisting of ________.
A. an item-prefix-tree. B. a frequent-item-header table. C. a frequent-item-node. D. both A & B.