| 基于决策树规则的分类算法研究 |
| |
| 引用本文： | 谭俊璐,武建华.基于决策树规则的分类算法研究[J].计算机工程与设计,2010,31(5). |
| |
| 作者姓名： | 谭俊璐 武建华 |
| |
| 作者单位： | 1. 暨南大学信息科学技术学院计算机系,广东,广州,510632
2. 暨南大学珠海学院计算机科学系,广东,珠海,519070 |
| |
| 基金项目： | 暨南大学青年基金项目 |
| |
| 摘 要： | 在商业利益的驱动下,人们不断地深入研究决策树算法.为了提高分类的精度,提出了一种基于决策树规则的分类算法.通过C4.5决策树算法得出决策规则,计算决策规则的长度,准确率与覆盖率,对所得的决策规则依次按照规则长度与准确率的乘积大小、长度的大小、覆盖率的大小对规则集进行排序构造分类器,选择优选权最高的规则进行匹配分类.实验结果表明,与C4.5算法相比,该方法的分类精度有所提高.
|
| 关 键 词： | 决策树 分类算法 C4.5决策规则分类 规则排序策略 规则质量 |
Classification algorithm of rule based on decision-tree |
| |
| TAN Jun-lu,WU Jian-hua.Classification algorithm of rule based on decision-tree[J].Computer Engineering and Design,2010,31(5). |
| |
| Authors: | TAN Jun-lu WU Jian-hua |
| |
| Affiliation: | TAN Jun-lu1,WU Jian-hua2 (1. Department of Computer,College of Information Science , Technology,Jinan University,Guangzhou 510632,China,2. Department of Computer Science,Collage of Zhuhai,Zhuhai 519070,China) |
| |
| Abstract: | Driven by the business advantage,people continuously lucubrate decision-tree algorithm to improve the precision of classification. For this purpose,a decision-tree rule classification algorithm is proposed. The decision rule are gotten by C4.5 decision tree,then the length of decision rules,the accuracy and the coverage are calculated,then the corresponding decision rule ranking approach:the priority of the value of the length of rule multiplies by the accuracy of rule is first,the length of the rule is sec... |
| |
| Keywords: | decision-tree classification algorithm C4 5 decision-tree rule classification rule ranking strategy rule quality |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
