The Directional RandomEffectModel (DREM) is defined.
定义了方向随机效果模型(DREM)。
2
LM test proves the randomeffectmodel is superior to the fixed effect model.
LM检验证明随机效应模型优于固定效应模型。
3
Homogeneity showed that randomeffectmodel should be selected to calculate the pooling relative risk (rr) and its corresponding9%confide nce interval (9%ci).