Informative priors for treatment effects
Normal Deviate 2016-07-01
Summary:
Biostatistician Garnett McMillan writes: A PI recently completed a randomized trial where the experimental treatment showed a large, but not quite statistically significant (p=0.08) improvement over placebo. The investigators wanted to know how many additional subjects would be needed to achieve significance. This is a common question, which is very hard to answer for non-statistical […]
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