Joint detection for functional polynomial regression with autoregressive errors

Tao Zhang, Pengjie Dai and Qingzhao Zhang

Communications in Statistics - Theory and Methods, 2017, vol. 46, issue 16, 7837-7854

Abstract: In this article, we are concerned with detecting the true structure of a functional polynomial regression with autoregressive (AR) errors. The first issue is to detect which orders of the polynomial are significant in functional polynomial regression. The second issue is to detect which orders of the AR process in the AR errors are significant. We propose a shrinkage method to deal with the two problems: polynomial order selection and autoregressive order selection. Simulation studies demonstrate that the new method can identify the true structure. One empirical example is also presented to illustrate the usefulness of our method.

Date: 2017
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DOI: 10.1080/03610926.2015.1096384

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