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广义二项回归模型的影响诊断
Influence diagnostics for generalized binomial regression models
【摘要】 系统研究了广义二项回归模型的统计诊断和影响分析方法,给出了模型的参数估计和模型中散度参数检验的Score统计量,并基于数据删除模型和在3种局部扰动情形下,研究了模型影响分析问题,最后通过两个数值例子验证了本文方法的有效性。
【Abstract】 The diagnostics and influence analysis methods of generalized binomial regression model were studied.The estimation of the parameters and the Score test of the dispersion parameters about the model are given.And the influence analysis were studied based on the case-deletion model and under three kinds of local influence.Finally,two numerical examples illustrated the effectiveness of the method.
【关键词】 广义二项回归;
统计诊断;
影响分析;
Score检验;
广义Cook距离;
【Key words】 generalized binomial regression; diagnostics; influence analysis; Score test; generalized Cook distance;
【Key words】 generalized binomial regression; diagnostics; influence analysis; Score test; generalized Cook distance;
【基金】 江苏省自然科学基金资助项目(SBK200920379);南通大学自然科学基金资助项目(08Z032)
- 【文献出处】 山东大学学报(理学版) ,Journal of Shandong University(Natural Science) , 编辑部邮箱 ,2011年01期
- 【分类号】O212.1
- 【被引频次】2
- 【下载频次】118