In addition, FPMFI also compresses the conditional FP-Tree (frequent pattern tree) greatly by deleting the redundant information, which can reduce the cost of accessing the tree.

• 另外；算法FPMFI通过删除FP子树(conditional frequent pattern tree)的冗余信息；有效地压缩了 FP 子树的规模；减少了遍历的开销.