| 两个具有名义指标总体分布相等的检验 |
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| 引用本文： | 王宏仁,宋立新,陈鲲.两个具有名义指标总体分布相等的检验[J].东北师大学报(自然科学版),2011(4):29-32. |
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| 作者姓名： | 王宏仁 宋立新 陈鲲 |
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| 作者单位： | 吉林师范大学数学学院;吉林师范大学环境工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(10971084) |
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| 摘 要： | 根据Ridit检验思想方法进行数据变换,并利用K-S检验原理给出了检验两个名义指标总体概率分布相等的检验方法.其本质是存在两个具有名义指标的统计总体,且通过抽样得到两个频率直方图,再通过频率直方图来检验这两个总体分布是否相等的问题.
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| 关 键 词： | 名义指标 Ridit检验 K-S检验 经验分布函数 检验方法 |
The test for the equality of the probability distribution of two populations with nominal scales |
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| WANG Hong-ren,SONG Li-xin,CHEN Kun.The test for the equality of the probability distribution of two populations with nominal scales[J].Journal of Northeast Normal University (Natural Science Edition),2011(4):29-32. |
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| Authors: | WANG Hong-ren SONG Li-xin CHEN Kun |
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| Institution: | WANG Hong-ren1,SONG Li-xin1,CHEN Kun2(1.School of Mathematics,Jilin Normal University,Siping 136000,China,2.School of Environment Engineering,China) |
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| Abstract: | This paper makes data transformation on the method of Ridit test and provides a method for testing of equaling on the overall distribution of two indicators with name index using the principle of K-S test.The nature of this problem is that two overall statistics with index name are needed,and a frequency histogram is get from statistical sampling.Through the frequency histogram the equaling on the overall distribution is tested. |
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| Keywords: | index name Ridit test K-S test empirical distribution function test methods |
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