一种试卷分析及数据挖掘系统的开发

Development of Test Paper Analysis and Data Mining System

应用统计学和数据挖掘技术,根据学生的试卷成绩进行分析,得出面向试题本身的一般质量统计指标,进行正态分布判断并输出成绩分布图,同时可以根据分析结果给出试卷评语。还可以面向教师出题情况进行分析,判断教师是否有漏题,违纪提分的可能性,并可以对一个班级不同课程,不同班级同一课程进行比较。同时利用数据挖掘技术,对学生成绩进行修补,异常成绩发现,分类,聚类,关联规则挖掘等。文中详细论述了试卷分析中各项技术的意义及实现方法。

Applying statistics and data mining,analyze students＇ paper marks and get the general statistical quality data oriented to test itself to judge normal distribution and draw out the distribution diagram of marks.Also,make the paper reviews on the basis of the results of analysis,and analyze test papers by teachers and judge the possibility that teachers disclose questions or raising marks against discipline,and make comparisons among different courses within one class and on one course in different classes.Meanwhile,use data mining to repair results of students＇ marks,discover,classify and cluster the abnormal results and mine association rules,etc.This paper demonstrates in detail the significance and the implementing method of technologies in the analysis of test paper.