Search Results for author: Topi Paananen

Found 4 papers, 4 papers with code

Group Heterogeneity Assessment for Multilevel Models

1 code implementation6 May 2020 Topi Paananen, Alejandro Catalina, Paul-Christian Bürkner, Aki Vehtari

Many data sets contain an inherent multilevel structure, for example, because of repeated measurements of the same observational units.

Uncertainty-aware Sensitivity Analysis Using Rényi Divergences

1 code implementation17 Oct 2019 Topi Paananen, Michael Riis Andersen, Aki Vehtari

For nonlinear supervised learning models, assessing the importance of predictor variables or their interactions is not straightforward because it can vary in the domain of the variables.

Implicitly Adaptive Importance Sampling

2 code implementations20 Jun 2019 Topi Paananen, Juho Piironen, Paul-Christian Bürkner, Aki Vehtari

Adaptive importance sampling is a class of techniques for finding good proposal distributions for importance sampling.

Variable selection for Gaussian processes via sensitivity analysis of the posterior predictive distribution

2 code implementations21 Dec 2017 Topi Paananen, Juho Piironen, Michael Riis Andersen, Aki Vehtari

Variable selection for Gaussian process models is often done using automatic relevance determination, which uses the inverse length-scale parameter of each input variable as a proxy for variable relevance.

Gaussian Processes Variable Selection

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