| 基于因变量均值的OLS研究 |
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| 引用本文： | 龚辉锋.基于因变量均值的OLS研究[J].沈阳大学学报,2010,22(5):1-5. |
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| 作者姓名： | 龚辉锋 |
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| 作者单位： | [1]桂林理工大学管理学院,广西桂林541004 [2]南京大学商学院,江苏南京210093 |
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| 摘 要： | 对普通最小二乘法进行了改进,提出了基于因变量均值的最小二乘法.用实例证明了改进的模型更好地满足了回归分析的假设条件,降低了一元线性回归模型的估计误差,提高了模型的估计精度和拟合优度,提高了统计推断的质量.
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| 关 键 词： | 因变量 均值 普通最小二乘法 一元线性回归模型 |
Research on Ordinary Least Squares Based on Dependent Variable Mean Value |
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| GONG Huifeng.Research on Ordinary Least Squares Based on Dependent Variable Mean Value[J].Journal of Shenyang University,2010,22(5):1-5. |
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| Authors: | GONG Huifeng |
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| Institution: | GONG Huifeng,(1.School of Management,Guilin University of Technology,Guilin 541004,China;2.Business School,Nanjing University,Nanjing 210093,China) |
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| Abstract: | The improvement on ordinary least squares is discussed,and a new method is put forward which based on dependent variable mean.With an example,it is testified that the new method fits the assumptions of regression analysis much better,reduces the error of estimate,improves the estimate accuracy and adjusted R-square,as well as statistical infer. |
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| Keywords: | dependent variable mean ordinary least squares simple linear regression model |
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