Wrong Priors?
arXiv:0709.1067v1 : Wrong Priors (Carlos C. Rodriguez)
This came through today on astro-ph, suggesting that we could be choosing priors better than we do, and in fact that we generally do a very bad job of it. I have been brought up to believe that, like points in Whose Line Is It Anyway, priors don’t matter (unless you have very little data), so I am somewhat confused. What is going on here?
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