Search Results for author: Andrea Bommert

Found 3 papers, 2 papers with code

Employing an Adjusted Stability Measure for Multi-Criteria Model Fitting on Data Sets with Similar Features

no code implementations15 Jun 2021 Andrea Bommert, Jörg Rahnenführer, Michel Lang

We propose the approach of tuning the hyperparameters of a predictive model in a multi-criteria fashion with respect to predictive accuracy and feature selection stability.

feature selection

Adjusted Measures for Feature Selection Stability for Data Sets with Similar Features

1 code implementation25 Sep 2020 Andrea Bommert, Jörg Rahnenführer

For data sets with similar features, for example highly correlated features, most existing stability measures behave in an undesired way: They consider features that are almost identical but have different identifiers as different features.

feature selection

High Dimensional Restrictive Federated Model Selection with multi-objective Bayesian Optimization over shifted distributions

1 code implementation24 Feb 2019 Xudong Sun, Andrea Bommert, Florian Pfisterer, Jörg Rahnenführer, Michel Lang, Bernd Bischl

To carry out a clinical research under this scenario, an analyst could train a machine learning model only on local data site, but it is still possible to execute a statistical query at a certain cost in the form of sending a machine learning model to some of the remote data sites and get the performance measures as feedback, maybe due to prediction being usually much cheaper.

Bayesian Optimization BIG-bench Machine Learning +2

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