| 一类变系数分组Cox回归模型及其估计 |
| |
| 引用本文： | 吴小腊,向绪言,李泽华.一类变系数分组Cox回归模型及其估计[J].湖南文理学院学报(自然科学版),2007,19(3):5-6,12. |
| |
| 作者姓名： | 吴小腊 向绪言 李泽华 |
| |
| 作者单位： | 湖南师范大学,数学与计算机科学学院,湖南,长沙,410081;湖南文理学院,数学系,湖南,常德,415000;华南农业大学,理学院,广东,广州,510642 |
| |
| 基金项目： | 新学科扶持基金资助(4900-k06166) |
| |
| 摘 要： | 讨论了一类变系数分组Cox回归模型.该模型提高了线性分组Cox回归模型的灵活性和适应性.基于局部加权极大似然估计方法,讨论了该模型的参数估计问题,利用迭代加权最小二乘法给出了局部似然方程的迭代算法.
|
| 关 键 词： | 变系数分组Cox回归模型 线性分组Cox回归模型 局部加权极大似然估计 |
| 文章编号： | 1672-6146（2007）03-0005-02 |
| 修稿时间： | 2007-06-10 |
Varying-Coefficient Grouped COX Model and Its Estimation |
| |
| WU Xiao-la,XIANG Xu-yan,LI Ze-hua.Varying-Coefficient Grouped COX Model and Its Estimation[J].Journal of Hunan University of Arts and Science:Natural Science Edition,2007,19(3):5-6,12. |
| |
| Authors: | WU Xiao-la XIANG Xu-yan LI Ze-hua |
| |
| Institution: | 1. Mathematics Computer Department of Hunan Normal University, Changsha Hunan 410081; 2. Department of Mathematics, Hunan University of Arts and Science, CHangde Hunan 415000; 3. College of Science, South China Agricultural University, Guangzhou Guangdong 510642 |
| |
| Abstract: | In this paper,a new type of regression model,called varying-coefficient grouped Cox model,was proposed.The local maximum likelihood approach was suggested to fit the model.The proposed model has higher flexibility and adaptability. |
| |
| Keywords: | varying-coefficient grouped Cox model Cox regression model Liner grouped Cox regression model locally weighted maximum likelihood estimation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
