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Practical Transfer Learning for Bayesian Optimization. (arXiv:1802.02219v3 [stat.ML] UPDATED)
Jan. 21, 2022, 2:10 a.m. | Matthias Feurer, Benjamin Letham, Frank Hutter, Eytan Bakshy
stat.ML updates on arXiv.org arxiv.org
When hyperparameter optimization of a machine learning algorithm is repeated
for multiple datasets it is possible to transfer knowledge to an optimization
run on a new dataset. We develop a new hyperparameter-free ensemble model for
Bayesian optimization that is a generalization of two existing transfer
learning extensions to Bayesian optimization and establish a worst-case bound
compared to vanilla Bayesian optimization. Using a large collection of
hyperparameter optimization benchmark problems, we demonstrate that our
contributions substantially reduce optimization time compared to …
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