FP-Growth算法包，里面包括事务项Item的定义、FPGrowth算法。其中FPGrowth中包含了数据的读入、建树、生成频繁模式、生成条件模式基等完整操作。-FP-Growth algorithm package, which includes the definition of the affairs, Item, FPGrowth algorithm. Which FPGrowth data reads achievements generate frequent patterns,