基于均差估计二变量Meta-分析的未知相等方差模型
The Unknown Equal Variance Model of Bivariate Meta-Analysis Based on the Difference Mean
DOI: 10.12677/SA.2019.81015, PDF,    国家自然科学基金支持
作者: 郭鹏飞*:仲恺农业工程学院计算科学学院,广东 广州;仲恺农业工程学院广东省高校智慧农业工程研究中心,广东 广州;仲恺农业工程学院广东省水禽健康养殖重点实验室,广东 广州;刘双印, 张 垒, 曹 亮*, 徐龙琴:仲恺农业工程学院广东省高校智慧农业工程研究中心,广东 广州;仲恺农业工程学院广东省水禽健康养殖重点实验室,广东 广州;仲恺农业工程学院信息科学与技术学院,广东 广州;李 刚*:广州市电子政务服务中心,广东 广州;孙向茹:番禺何贤纪念医院生殖医学科,广东 广州;王 前:仲恺农业工程学院计算科学学院,广东 广州
关键词: Meta-分析极大似然估计固定效应模型 Meta-Analysis The Maximum Likelihood Estimate Fixed-Effect Model
摘要: 本文介绍基于均差估值的二变量Meta-分析的未知相等方差模型,通过极大似然估计法给出效应量及方差估计,进而得到各研究均值效应量协方差矩阵的估计量。然后,通过基于均差效应量二变量Meta-分析的固定效应模型给出了合并均差统计量D overall的具体形式和权重。进而得到了D overall的协方差矩阵和两个变量的置信区间。This paper introduces the unknown equal variance model of bivariate Meta-analysis based on the difference mean. We obtain the maximum likelihood estimator of the difference mean effect and unknown variances; then we find the combining overall difference mean effect D overall by the fixed-effect model of bivariate Meta-analysis based on the difference mean. Moreover, we obtain the corresponding covariance matrix and the confidence interval for the overall difference mean effect D overall.
文章引用:郭鹏飞, 刘双印, 李刚, 张垒, 曹亮, 孙向茹, 徐龙琴, 王前. 基于均差估计二变量Meta-分析的未知相等方差模型[J]. 统计学与应用, 2019, 8(1): 134-142. https://doi.org/10.12677/SA.2019.81015

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