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    Be aware of overfitting by hyperparameter optimization! by Igor V. Tetko, Ruud van Deursen, Guillaume Godin

    Published 2024-12-01
    “…Scientific Contribution We showed that models with pre-optimized hyperparameters can suffer from overfitting and that using pre-set hyperparameters yields similar performances but four orders faster. …”
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    Globalized parameter tuning of microwave passives by dimensionality-reduced surrogates and multi-fidelity simulations by Slawomir Koziel, Anna Pietrenko-Dabrowska

    Published 2025-07-01
    “…During the global optimization stage, surrogate-assisted ML is confined to a reduced-dimensionality region, leading to significant computational savings and enhanced predictive accuracy of the surrogate models. …”
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