| 决策树算法在天气评估中的应用 |
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| 引用本文： | 巩固,张虹.决策树算法在天气评估中的应用[J].微计算机信息,2007,23(34):245-247. |
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| 作者姓名： | 巩固 张虹 |
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| 作者单位： | 1. 221116,中国矿业大学计算机科学与技术学院;221116,江苏,徐州师范大学计算机科学与技术学院
2. 中国矿业大学计算机科学与技术学院,221116 |
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| 摘 要： | 分类算法是数据挖掘中的一个最重要技术．本文分析了决策树分类算法中的ID3算法和C4．5算法．利用它们建立天气评估的决策树模型．研究了该决策树模型在天气评估中的应用，分析了决策树算法应用于数据分类和知识发现的过程和特点．同时文章中也指出了分类算法的不足之处和待解决的问题。
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| 关 键 词： | 决策树 训练集 熵 算法 评估 |
| 文章编号： | 1008-0570（2007）12-1-0245-03 |
| 修稿时间： | 2007-09-03 |
Application of Algorithm of Decision Tree in Weather Assessment |
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| GONG GU,ZHANG HONG.Application of Algorithm of Decision Tree in Weather Assessment[J].Control & Automation,2007,23(34):245-247. |
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| Authors: | GONG GU ZHANG HONG |
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| Affiliation: | 1.College of Computer Science and Technology, China University of Mining and Technology;2.College of Computer Science and Technology, Xuzhou Normal University. Xuzhou 221116, China |
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| Abstract: | Classification is one of the most important techniques in data mining. The paper illustrates the ID3 and C4,5 algorithm of decision tree .The process of constructing weather assessment model with the algorithm of decision tree is discussed and the model is put into practice for weather assessment .At the same time the paper points out the lack of decision tree and some un-solved problems. |
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| Keywords: | decision tree training set entropy algorithm assessment |
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