Search Results for author: Andreas Voss

Found 4 papers, 3 papers with code

Validation and Comparison of Non-Stationary Cognitive Models: A Diffusion Model Application

1 code implementation7 Dec 2023 Lukas Schumacher, Martin Schnuerch, Andreas Voss, Stefan T. Radev

To validate our models, we assess whether the inferred parameter trajectories align with the patterns and sequences of the experimental manipulations.

Decision Making

Amortized Bayesian Inference for Models of Cognition

no code implementations8 May 2020 Stefan T. Radev, Andreas Voss, Eva Marie Wieschen, Paul-Christian Bürkner

As models of cognition grow in complexity and number of parameters, Bayesian inference with standard methods can become intractable, especially when the data-generating model is of unknown analytic form.

Bayesian Inference

Amortized Bayesian model comparison with evidential deep learning

1 code implementation22 Apr 2020 Stefan T. Radev, Marco D'Alessandro, Ulf K. Mertens, Andreas Voss, Ullrich Köthe, Paul-Christian Bürkner

This makes the method particularly effective in scenarios where model fit needs to be assessed for a large number of datasets, so that per-dataset inference is practically infeasible. Finally, we propose a novel way to measure epistemic uncertainty in model comparison problems.

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