| 基于C4．5算法在水利水电建筑工程专业成绩分析中的应用 |
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| 引用本文： | 胡勇[,] 胡玲.基于C4．5算法在水利水电建筑工程专业成绩分析中的应用[J].高等建筑教育,2006,15(4):108-111. |
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| 作者姓名： | 胡勇[ ] 胡玲 |
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| 作者单位： | 1. 重庆水利电力职业技术学院,信息工程系,重庆,402160;重庆师范大学,数学与计算机科学学院,重庆,400047
2. 重庆大学,社会科学研究处,重庆,400044 |
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| 摘 要： | 针对学生成绩问题,给出了学生成绩数据挖掘模型。决策树方法是数据挖掘中非常有效的分类方法。根据学生成绩数据特点,采用了C4.5决策树算法。C4.5算法是决策树核心算法ID3的改进算法,它构造简单,速度较快,容易实现。选取决策属性,挖掘结果表明,该算法能够正确将学生成绩数据分类,并得到若干有价值的结论,供决策分析。
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| 关 键 词： | 数据挖掘 C4.5算法 决策树 |
| 文章编号： | 1005-2909(2006)04-0108-04 |
| 收稿时间： | 09 21 2006 12:00AM |
| 修稿时间： | 2006年9月21日 |
The water conservancy water electricity construction engineering professional result analysis of application Base on CA. 5 algorithm |
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| HU Yong,HU Ling.The water conservancy water electricity construction engineering professional result analysis of application Base on CA. 5 algorithm[J].Journal of Architectural Education in Institutions of Higher Learning,2006,15(4):108-111. |
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| Authors: | HU Yong HU Ling |
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| Affiliation: | 1. Information Engineering Department, Chongqing College of Water Resources and Electric Engineering, Chongqing 402160, China; 2. Mathematics and Calculator Science CoUege,Chongqing Normal University, Chongqing 400047, China; 3. Office of Social Sciences, Chongqing University, Chongqing 400045, China |
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| Abstract: | Aim at the student the result problem,give student the result data scoops out the model.the decision tree method is a very valid classification method,in the data that scoop out.according to student the result data characteristics,adopted the C4.5 decision tree algorithm.C4.5 algorithm are the improvement algorithm of the decision trees core algorithm ID3,it construct in brief,the speed compare quickly,easy realization.selection decision belong to sex,scoop out the result enunciation,that algorithm can be right to get student the result data classification,and some worthy conclusion,provide the decision the analysis. |
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| Keywords: | data mining C4 5 algorithm decision tree |
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