Bayesian inference with rescaled Gaussian process priors
Bayesian inference with rescaled Gaussian process priors
复制标题
DOI:
10.1214/07-ejs098
复制
发表时间:
2007-10
影响因子:
1.1
通讯作者:
A. Vaart;H. Zanten
中科院分区:
文献类型:
--
作者:
A. Vaart;H. Zanten
We use rescaled Gaussian processes as prior models for functional parameters in nonparametric statistical models. We show how the rate of contraction of the posterior distributions depends on the scaling factor. In particular, we exhibit rescaled Gaussian process priors yielding posteriors that contract around the true parameter at optimal convergence rates. To derive our results we establish bounds on small deviation probabilities for smooth stationary Gaussian processes.