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半参数广义幂威布尔回归模型的诊断分析

Diagnostic Analysis for Semi-parametric Generalized Power Weibull Regression Models
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摘要 基于P-样条方法,研究半参数广义幂威布尔回归模型,得到参数的估计量.同时在数据删除模型下探讨了模型的全局影响分析问题,获得了相应的诊断统计量.最后利用蒙特卡洛随机模拟方法,说明了统计量的有效性. Based on P-splines, semi-parametric generalized power Weibull regression models are studied in this work, meanwhile, the parameter estimators are obtained. On the other hand, several diagnostic measures are derived based on case-deletion model. Finally, some simulated examples are given to illustrate our statistic through Monte Carlo simulations.
作者 田厚坤 祝佳佳 解锋昌
机构地区 南京农业大学理学院
出处 《河北大学学报（自然科学版）》 CAS 北大核心 2010年第6期622-627,共6页 Journal of Hebei University(Natural Science Edition)
基金 江苏省自然科学基金资助项目(BK2008284)
关键词 半参数回归 P-样条 光滑参数 COOK距离 数据删除 semi-parametric regression P-spline smooth parameter cook-distance case-deletion
分类号 O212.1 [理学—概率论与数理统计]
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参考文献7

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二级参考文献12

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河北大学学报（自然科学版）
2010年 第6期

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