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The Stata Journal
Volume 10 Number 3: pp. 395-407



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metaan: Random-effects meta-analysis

Evangelos Kontopantelis
National Primary Care
Research & Development Centre
University of Manchester
Manchester, UK
e.kontopantelis@manchester.ac.uk
David Reeves
Health Sciences Primary Care
Research Group
University of Manchester
Manchester, UK
david.reeves@manchester.ac.uk
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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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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