metaan: Random-effects meta-analysis
Evangelos Kontopantelis 
National Primary Care 
Research & Development Centre 
University of Manchester 
Manchester, UK 
[email protected] 
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David Reeves 
Health Sciences Primary Care 
Research Group 
University of Manchester 
Manchester, UK 
[email protected] 
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Abstract.  This article describes the new meta-analysis command metaan, which
can be used to perform fixed- or random-effects meta-analysis. Besides the standard
DerSimonian and Laird approach, metaan offers a wide choice of available
models: maximum likelihood, profile likelihood, restricted maximum likelihood,
and a permutation model. The command reports a variety of heterogeneity measures,
including Cochran’s Q, I2, H2M, and the between-studies variance estimate
τ-hat2. A forest plot and a graph of the maximum likelihood function can also be
generated.
  
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  Evangelos Kontopantelis, David Reeves
 
  
  View all articles with these keywords:
  metaan, meta-analysis, random effect, effect size, maximum likelihood, profile likelihood, restricted maximum likelihood, REML, permutation model, forest plot
 
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