摘要
文章在明确累积logistic回归模型的基础上,针对多分类有序变量存在间距差异的问题,提出了统计检验方法并引入工具虚拟变量对logistic模型加以改进,通过其在实际中的应用,取得了良好的效果。
In this article,we propose the method of statistical test for the problem that there exist differences between categories of the ordinal variables on the basis of defining the cumulative logistic model,and then introduce the instrument dummy variable into the model to improve it.This method is proved to be effective when applied in practice.
出处
《统计与信息论坛》
2007年第1期27-31,共5页
Journal of Statistics and Information
基金
国家教育部"新世纪优秀人才支持计划"资助(NCET-04-0608)
