| 经典回归直线的非唯一性研究 |
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| 引用本文： | 彭放,吴国平,方敏.经典回归直线的非唯一性研究[J].数学的实践与认识,2001,31(4):440-441. |
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| 作者姓名： | 彭放 吴国平 方敏 |
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| 作者单位： | 中国地质大学数理系 |
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| 摘 要： | 本文证明了对于同一组样本数据 ,选取不同的变量为自变量时所得到的两条回归直线不重合 ,并且讨论了这两条不重合回归直线之间夹角与相关系数的关系
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| 关 键 词： | 回归直线 非唯一性 相关系数 |
| 修稿时间： | 1999年12月21 |
Resarch on the Non-Uniqueness of Classical Regression Line |
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| PENG Fang,\ WU Guo\|ping,\ FANG Min.Resarch on the Non-Uniqueness of Classical Regression Line[J].Mathematics in Practice and Theory,2001,31(4):440-441. |
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| Authors: | PENG Fang \ WU Guo\|ping \ FANG Min |
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| Abstract: | In this paper, it is proved that two classical regression line with different independent variable are not overlap about same a set of sample. The relation between angle of intersection of the two regression lines and correlation coefficient are discussed. |
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| Keywords: | regression line non\|uniqueness correlation coefficient |
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