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2006 Nov 09
2
Meta-regression with lmer() ? If so, how ?
...nt to do is to assess the impact of some fixed factors on the results of a meta-analysis. Some of them may be crossed with the main factor of the meta-analysis (e. g. clinical presentation of a disease, defining subgroups in each of the studies under analysis), some of them may be a grouping factor amond studies (e. g. study design characteristics). Homework : the R packages meta and Rmeta do not allow for multiple independent factors. Looking hard at R-help archives, I found one of my previous posts on this subject (which got me an answer suggesting using lme()), a discussion of lme() use conclud...