| Assessing Local Influence in Linear Regression Models with Specific Dispersion Matrices |
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| 引用本文： | 张波,唐瑛. Assessing Local Influence in Linear Regression Models with Specific Dispersion Matrices[J]. 云南大学学报(自然科学版), 1998, 0(6) |
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| 作者姓名： | 张波 唐瑛 |
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| 作者单位： | 云南大学统计系(张波)，云南教育学院数理分院(唐瑛) |
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| 基金项目： | 云南省应用基础研究基金 |
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| 摘 要： | 讨论和推广了具有两类特殊散布阵的线性回归模型的局部影响方法．该方法的优良性在于在所讨论的线性模型中避免了不恰当的点删除诊断，并且容许所有响应的同时扰动．此外，还给出了２个模拟实例．
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| 关 键 词： | 诊断，散布阵，扰动，点删除，局部影响 |
Assessing Local Influence in Linear Regression Models with Specific Dispersion Matrices |
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| Zhang Bo ) Tang Ying ). Assessing Local Influence in Linear Regression Models with Specific Dispersion Matrices[J]. Journal of Yunnan University(Natural Sciences), 1998, 0(6) |
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| Authors: | Zhang Bo ) Tang Ying ) |
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| Affiliation: | Zhang Bo 1) Tang Ying 2) |
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| Abstract: | The local influence approach in linear regression models with two kinds of specific dispersion matrices is developed and discussed.An advantage of this approach is that it avoids the inappropriate case-deletion diagnostic in linear models witch discussed and it allows simultaneous perturbation on all responses. In addition,two simulation examples are given and discussed. |
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| Keywords: | diagnostics dispersion matrix perturbation case-deletion local influence |
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