no code implementations • 30 May 2021 • Thomas Bartz-Beielstein, Frederik Rehbach, Amrita Sen, Martin Zaefferer
A surrogate model based hyperparameter tuning approach for deep learning is presented.
1 code implementation • 16 May 2021 • Thomas Bartz-Beielstein, Marcel Dröscher, Alpar Gür, Alexander Hinterleitner, Olaf Mersmann, Dessislava Peeva, Lennard Reese, Nicolas Rehbach, Frederik Rehbach, Amrita Sen, Aleksandr Subbotin, Martin Zaefferer
Reasonable default values of these parameters were obtained in detailed discussions with medical professionals.
1 code implementation • 14 Dec 2020 • Thomas Bartz-Beielstein, Frederik Rehbach, Olaf Mersmann, Eva Bartz
There are benefits for medical professionals, e. g, analysis of the pandemic at local, regional, state and federal level, the consideration of special risk groups, tools for validating the length of stays and transition probabilities.
2 code implementations • 14 Aug 2020 • Martin Zaefferer, Frederik Rehbach
However, predictions from data-driven models tend to be smoother than the ground-truth from which the training data is derived.
1 code implementation • 9 Jan 2020 • Frederik Rehbach, Martin Zaefferer, Boris Naujoks, Thomas Bartz-Beielstein
Few results from the literature show evidence, that under certain conditions, expected improvement may perform worse than something as simple as the predicted value of the surrogate model.
1 code implementation • 12 Dec 2017 • Thomas Bartz-Beielstein, Martin Zaefferer, Frederik Rehbach
The sequential parameter optimization (SPOT) package for R is a toolbox for tuning and understanding simulation and optimization algorithms.