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April 2016 Bayesian manifold regression
Yun Yang, David B. Dunson
Ann. Statist. 44(2): 876-905 (April 2016). DOI: 10.1214/15-AOS1390

Abstract

There is increasing interest in the problem of nonparametric regression with high-dimensional predictors. When the number of predictors $D$ is large, one encounters a daunting problem in attempting to estimate a $D$-dimensional surface based on limited data. Fortunately, in many applications, the support of the data is concentrated on a $d$-dimensional subspace with $d\ll D$. Manifold learning attempts to estimate this subspace. Our focus is on developing computationally tractable and theoretically supported Bayesian nonparametric regression methods in this context. When the subspace corresponds to a locally-Euclidean compact Riemannian manifold, we show that a Gaussian process regression approach can be applied that leads to the minimax optimal adaptive rate in estimating the regression function under some conditions. The proposed model bypasses the need to estimate the manifold, and can be implemented using standard algorithms for posterior computation in Gaussian processes. Finite sample performance is illustrated in a data analysis example.

Citation

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Yun Yang. David B. Dunson. "Bayesian manifold regression." Ann. Statist. 44 (2) 876 - 905, April 2016. https://doi.org/10.1214/15-AOS1390

Information

Received: 1 December 2014; Revised: 1 September 2015; Published: April 2016
First available in Project Euclid: 17 March 2016

zbMATH: 1341.62196
MathSciNet: MR3476620
Digital Object Identifier: 10.1214/15-AOS1390

Subjects:
Primary: 62-07, 62H30
Secondary: 65U05, 68T05

Rights: Copyright © 2016 Institute of Mathematical Statistics

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Vol.44 • No. 2 • April 2016
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