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jsalvatier comments on LessWrong Help Desk - free paper downloads and more (2014) - Less Wrong Discussion
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Bjelakovic G, Gluud LL, Nikolova D, Whitfield K, Wetterslev J, Simonetti RG, Bjelakovic M, Gluud C. Vitamin D supplementation for prevention of mortality in adults. Cochrane Database of Systematic Reviews 2014, Issue 1. Art. No.: CD007470. DOI: 10.1002/14651858.CD007470.pub3.
Does anyone know if Cochrane publishes the data they use in their meta analysis? I have a suspicion that meta analysis generally does not make good use of the available data. In their vitamin D analysis, they have shockingly large confidence intervals compared to the amount of data they have. I'd like to check that theory.
It turns out Cochrane does provide their data. Very nice of them.
Also, at least in this case my own metanalysis based on their data perfectly replicated their results. The inefficiency I thought was there was not there.