And the algorithm improves the ending condition of building decision tree which don't stop constructing from using all of the attributes. So it has no influence on original data.
并且该算法改进了决策树创建叶节点的条件，从而决策树不会用尽所有的候选属性才停止构造，这就消除了没有原始数据造成的影响。
This paper mainly discusses how to build a decision tree of rail deformation detection by using C4.5 algorithm and how to make decision of the rail deformation by building decision tree.
文中主要讨论如何应用C4.5算法构造列车轨道故障检测的决策树以及根据生成的决策树实现轨道故障的判决。
As a basis for the excavation data: data storage building and digging another key technical data: Decision tree in the market forecast quoted.
作为数据挖掘的基础：数据仓库的建立，以及另一项数据挖掘的关键技术：决策树技术在市场预测方面的引用。
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