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Conformal prediction for multi-dimensional time series by ellipsoidal sets
March 7, 2024, 5:42 a.m. | Chen Xu, Hanyang Jiang, Yao Xie
cs.LG updates on arXiv.org arxiv.org
Abstract: Conformal prediction (CP) has been a popular method for uncertainty quantification because it is distribution-free, model-agnostic, and theoretically sound. For forecasting problems in supervised learning, most CP methods focus on building prediction intervals for univariate responses. In this work, we develop a sequential CP method called $\texttt{MultiDimSPCI}$ that builds prediction regions for a multivariate response, especially in the context of multivariate time series, which are not exchangeable. Theoretically, we estimate finite-sample high-probability bounds on the …
abstract arxiv building cs.lg distribution focus forecasting free model-agnostic popular prediction quantification responses series sound stat.ml supervised learning time series type uncertainty work
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