Assessing occupational exposure via the two - way random effects model 两因素随机效应模型下平均暴露量的检验
Random effect model 随机效应模型
Empirical testing is conducted by using panel data with pooled regression model , fixed effect model and random effect model 通过分析,从全国来看,人均gdp 、市场需求和规模、聚集效应、开放度是影响fdi的主要因素。
Relative risk ( rr ) was used as a measure of the effect of folic acid supplementation on the risk of stroke with a random effect model 采用相对危险度( rr )的大小,作为衡量叶酸补充治疗在降低卒中发生危险有效性的指标。
Design : the medline and the cochrane library databases were searched for studies conducted from 1966 through 2005 . relative risks were pooled by using an inverse - variance weighted random effects model 设计:搜索medline和冠心病图书馆数据库中从1966年到2005年的研究,采用一种反变量加权的随机效应模型计算相对危险度。