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Bayesian updating: increasing sample size during the course of a study
BACKGROUND: A priori sample size calculation requires an a priori estimate of the size of the effect. An incorrect estimate may result in a sample size that is too low to detect effects or that is unnecessarily high. An alternative to a priori sample size calculation is Bayesian updating, a procedur...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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BioMed Central
2021
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8258966/ https://www.ncbi.nlm.nih.gov/pubmed/34225659 http://dx.doi.org/10.1186/s12874-021-01334-6 |