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Deep Neural Networks Tend To Extrapolate Predictably
March 19, 2024, 4:44 a.m. | Katie Kang, Amrith Setlur, Claire Tomlin, Sergey Levine
cs.LG updates on arXiv.org arxiv.org
Abstract: Conventional wisdom suggests that neural network predictions tend to be unpredictable and overconfident when faced with out-of-distribution (OOD) inputs. Our work reassesses this assumption for neural networks with high-dimensional inputs. Rather than extrapolating in arbitrary ways, we observe that neural network predictions often tend towards a constant value as input data becomes increasingly OOD. Moreover, we find that this value often closely approximates the optimal constant solution (OCS), i.e., the prediction that minimizes the average …
abstract arxiv cs.lg distribution inputs network networks neural network neural networks observe predictions type value work
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