Bayesian Deep Ensembles via the Neural Tangent Kernel

11 Jul 2020Bobby HeBalaji LakshminarayananYee Whye Teh

We explore the link between deep ensembles and Gaussian processes (GPs) through the lens of the Neural Tangent Kernel (NTK): a recent development in understanding the training dynamics of wide neural networks (NNs). Previous work has shown that even in the infinite width limit, when NNs become GPs, there is no GP posterior interpretation to a deep ensemble trained with squared error loss... (read more)

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