| 利用基于面积约束的统计直方图密度拟合方法拟合分数分布曲线 |
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| 引用本文： | 谢延红,张智广,钱爱增.利用基于面积约束的统计直方图密度拟合方法拟合分数分布曲线[J].榆林高等专科学校学报,2007,17(4):28-30. |
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| 作者姓名： | 谢延红 张智广 钱爱增 |
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| 作者单位： | 天津师范大学教育技术系 天津市300074(谢延红)，德州学院数学系 德州学院计算机系(张智广)，德州学院计算机系 山东德州253023(钱爱增) |
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| 摘 要： | 提出利用基于面积约束的统计直方图密度拟合方法把试卷成绩样本数据拟合成一条连续的曲线,并判断样本数据是否符合正态分布。给出了拟合方法的算法设计,并以通过实例表明此方法简便实用。
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| 关 键 词： | 曲线拟合 试卷分析 面积约束 正态分布 |
| 文章编号： | 1008-3871（2007）04-0028-03 |
| 修稿时间： | 2006-11-29 |
Fitting Mark Distribution Curve by Statistic Histogram Curves Fitting Based on Area Constraint |
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| XIE Yan-hong,ZHANG Zhi-guang,QIAN Ai-zeng.Fitting Mark Distribution Curve by Statistic Histogram Curves Fitting Based on Area Constraint[J].Journal of Yulin College,2007,17(4):28-30. |
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| Authors: | XIE Yan-hong ZHANG Zhi-guang QIAN Ai-zeng |
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| Institution: | 1. Department of Education Technology, Tianjin Normal University, Tianjin 300074 ; 2. Department of Computer Science and Technology, Dezhou University; 3. Department of Mathematics, Dezhou University, Dezhou 253023 |
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| Abstract: | The paper is an attempt to put forward fitting Julyk distribution curve by statistic histogram curves fitting based on area constraint and to estimate whether sample data meet normal distribution or not.It also introduces the mathematical foundation of the fitting method,algorithm design and a simple case for example;Practice proves that the method is simple and useful. |
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| Keywords: | curve fitting test paper analysis area constraint normal distribution |
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