simulation-based power calculations for mixed effects modeling: ipdpower in stata

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ID: 238952
2016
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Abstract
Simulations are a practical and reliable approach to power calculations, especially for multi-level mixed effects models where the analytic solutions can be very complex. In addition, power calculations are model-specific and multi-level mixed effects models are defined by a plethora of parameters. In other words, model variations in this context are numerous and so are the tailored algebraic calculations. This article describes ipdpower in Stata, a new simulations-based command that calculates power for mixed effects two-level data structures. Although the command was developed having individual patient data meta-analyses and primary care databases analyses in mind, where patients are nested within studies and general practices respectively, the methods apply to any two-level structure.
Reference Key
kontopantelis2016journalsimulation-based Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Evangelos Kontopantelis;David A Springate;Rosa Parisi;David Reeves
Journal open geospatial data, software and standards
Year 2016
DOI
10.18637/jss.v074.i12
URL
https://www.jstatsoft.org/index.php/jss/article/view/2908
Keywords
coverage power individual patient data

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