| 胡良平.如何正确运用Z检验——两Poisson均值比较一般差异性Z检验及SAS实现[J].四川精神卫生杂志,2020,33(5):427-430.Hu Liangping,How to use Z test correctly——comparison of two Poisson mean values for the general difference Z test and the SAS implementation[J].SICHUAN MENTAL HEALTH,2020,33(5):427-430 |
| 如何正确运用Z检验——两Poisson均值比较一般差异性Z检验及SAS实现 |
| How to use Z test correctly——comparison of two Poisson mean values for the general difference Z test and the SAS implementation |
| 投稿时间：2020-09-16 |
| DOI：10.11886/scjsws20200916005 |
| 中文关键词: 稀有事件 离散型随机变量 Poisson分布 正态分布 Z检验 |
| 英文关键词:Rare events Discrete type random variable Poisson distribution Normal distribution Z test |
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| 中文摘要: |
| 本文的目的是介绍两Poisson均值比较一般差异性Z检验及SAS实现。围绕以下两个内容进行介绍，即“Poisson分布简介”和“两Poisson均值比较的要领及SAS实现”。“Poisson分布简介”包括：①Poisson 分布的简史；②Poisson分布的适用场合；③Poisson分布的定义；④Poisson分布的性质。“两Poisson均值比较的要领及SAS实现”包括：①问题与数据结构；②两Poisson均值比较的四要素；③两Poisson均值比较的SAS实现。 |
| 英文摘要: |
| The purpose of this paper was to introduce the comparison of two Poisson mean values for the general difference Z test and the SAS implementation. The following two special subjects were introduced： the first subject was the introduction to the Poisson distribution， and the second one was the essential and SAS implementation for the comparison of two Poisson mean values. Four details in the first subject were as follows： the brief history， the occasion applicable， the definition and the characteristics of the Poisson distribution. Three details in the second subject were as follows： the problems and the data structures， four elements of the comparison of two Poisson mean values and the SAS implementation for the comparison of two Poisson mean values. |
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