| 对体育科研中多元回归方程病态设计阵的分析及其LS估计的改进 |
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| 引用本文： | 彭大松. 对体育科研中多元回归方程病态设计阵的分析及其LS估计的改进[J]. 安徽体育科技, 2005, 26(3): 63-67 |
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| 作者姓名： | 彭大松 |
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| 作者单位： | 安徽师范大学体育学院,安徽,芜湖,241000 |
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| 摘 要： | 针对多元回归方程设计阵病态情况下LS估计失去优良性进行分析，讨论了体育科研中多元回归方程设计阵呈病态的原因及其识别方法。并从直观上分析了该种数据导致LS估计不理想的原因。从两个角度提出了有偏估计的办法对LS进行改进。
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| 关 键 词： | 体育科研 多元回归方程 设计阵 病态 有偏估计 |
On the Analysis of Abnormal Cases in Multiplied Regression Estimation in Research of Sports Science |
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| Peng Dasong. On the Analysis of Abnormal Cases in Multiplied Regression Estimation in Research of Sports Science[J]. Journal of Anhui Sports Science, 2005, 26(3): 63-67 |
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| Authors: | Peng Dasong |
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| Abstract: | With the analysis of the loss of excellence in LS estimation in abnormal cases in multiplied regression equation programming matrix ,this paper discusses the causes for the abnormality in sports research and the means to distinguish it ,with which the author directly perceives the causes for the loss of excellence in LS estimation , and offers the means of biased estimation as a solution to the improvement of LS estimation. |
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| Keywords: | PE research multiplied regression equation programming matrix abnormality biased estimation |
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