| 残差性质的探究 |
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| 引用本文： | 陈立强.残差性质的探究[J].安康学院学报,2013(6):24-25. |
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| 作者姓名： | 陈立强 |
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| 作者单位： | 安康学院数学与统计系,陕西安康725000 |
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| 基金项目： | 安康学院高层次人才科研启动项目（2013AYQDZR11） |
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| 摘 要： | 残差是回归分析中的重要概念。本文对残差的分布、性质做了一定研究，得出了其期望和方差，并否定了一种关于残差的分布的假定。
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| 关 键 词： | 残差 均值 方差 分布 |
Exploration into the Property of Residual Error |
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| CHEN Liqiang.Exploration into the Property of Residual Error[J].Journal of Ankang Teachers College,2013(6):24-25. |
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| Authors: | CHEN Liqiang |
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| Institution: | CHEN Liqiang (Department of Mathematics and Statistics, Ankang University, Ankang 725000, Shaanxi, China) |
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| Abstract: | The residual error （Be abbreviated RE） is an important concept of the regression analysis. The author do some research about the distribution and property of RE in this paper. The expectation and variance of the RE can be got. And one kind of hypothesis of distri- bution about RE is denied. |
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| Keywords: | residual error mean variance distribution |
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