期刊
ANNALS OF STATISTICS
卷 42, 期 5, 页码 1941-1969出版社
INST MATHEMATICAL STATISTICS
DOI: 10.1214/14-AOS1246
关键词
Bayesian inference; posterior asymptotics; multiscale statistics
资金
- ANR [ANR-2010-BLAN-0113-03, ANR-2011-BS01-010-01]
We continue the investigation of Bernstein- von Mises theorems for non-parametric Bayes procedures from [Ann. Statist. 41 (2013) 1999-2028]. We introduce multiscale spaces on which nonparametric priors and posteriors are naturally defined, and prove Bernstein- von Mises theorems for a variety of priors in the setting of Gaussian nonparametric regression and in the i.i.d. sampling model. From these results we deduce several applications where posterior-based inference coincides with efficient frequentist procedures, including Donsker- and Kolmogorov-Smimov theorems for the random posterior cumulative distribution functions. We also show that multiscale posterior credible bands for the regression or density function are optimal frequentist confidence bands.
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