决策树ID3算法研究

Reaserch of ID3 algorithm in decision tree

用于分类的数据挖掘技术的方法有很多,在这些方法中决策树凭借其易理解、效率高等优点而占有重要地位。ID3算法是决策树构造方法中最为常用的实现方法,它在数据分类和预测领域得到广泛应用。本文重点总结了决策树方法中的ID3算法的研究现状,在详细介绍ID3算法原理、算法性能的基础上,总结了ID3算法以及给出了ID3算法的改进算法。

There are many methods used to categorize data mining techniques, in which decision trees play an important role by virtue of their ease of understanding and efficiency. ID3 algorithm is the most commonly used method in decision tree construction method, which is widely used in the field of data classification and prediction. This paper focuses on the research status of ID3 algorithm in decision tree method. Based on the detailed introduction of ID3 algorithm principle, application example and algorithm performance, this paper summarizes the ID3 algorithm and the improved algorithm of ID3 algorithm.