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英文标题: | Zero-inflated Poisson /Negative Binomial Modeling for Sociologists: Based on the analysis of induced abortion in China |
摘要: | 文章以零膨胀模型(zero-inflated modeling)对中国已婚育龄妇女人工流产影响因素的分析为例,介绍了零膨胀模型在社会科学领域的具体应用,并比较了零膨胀模型与泊松模型(Poisson modeling)、负二项模型(negative binomial modeling)等一般计数模型的分析结果,发现零膨胀模型能较好地处理计数资料中零值过多的问题,其参数估计更为精确,得出的结论更符合实际。 |
英文摘要: | This study introduced Zero-inflated Poisson /Negative Binomial modeling (ZIP/ZINB) technique and its applications to the research of social sciences. Hoping to help readers to better understand and feel comfortable to use these analytical tools,the author took an example about induced abortion in China to demonstrate major concepts,analytical strategies, and advantages of ZIP/ZINB modeling technique by comparing the analytical results of ZIP/ZINB with the Poisson /NB results. |
作者: | 王存同 |
作者单位: | 中央财经大学社会发展学院社会学系; |
期刊: | 社会学研究 |
年.期:页码 | 2010.5:130-148 |
中图分类号: | C0;O242.1 |
文章编号: | |
关键词: | 计数资料; 零膨胀模型; 人工流产; 影响因素; |
英文关键词: | |
项目基金: | 中央财经大学“211工程”三期资助;2010年度国家社会科学基金项目《中国避孕行为的定量与定性研究:1960-2008》(10CRK012) |
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