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A New Reliable & Parsimonious Learning Strategy Comprising Two Layers of Gaussian Processes, to Address Inhomogeneous Empirical Correlation Structures
April 22, 2024, 4:42 a.m. | Gargi Roy, Dalia Chakrabarty
cs.LG updates on arXiv.org arxiv.org
Abstract: We present a new strategy for learning the functional relation between a pair of variables, while addressing inhomogeneities in the correlation structure of the available data, by modelling the sought function as a sample function of a non-stationary Gaussian Process (GP), that nests within itself multiple other GPs, each of which we prove can be stationary, thereby establishing sufficiency of two GP layers. In fact, a non-stationary kernel is envisaged, with each hyperparameter set as …
abstract arxiv correlation cs.lg data function functional gaussian processes modelling processes sample stat.ml strategy type variables
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