Search Results for author: Manuel Haussmann

Found 8 papers, 6 papers with code

Latent variable model for high-dimensional point process with structured missingness

no code implementations8 Feb 2024 Maksim Sinelnikov, Manuel Haussmann, Harri Lähdesmäki

Longitudinal data are important in numerous fields, such as healthcare, sociology and seismology, but real-world datasets present notable challenges for practitioners because they can be high-dimensional, contain structured missingness patterns, and measurement time points can be governed by an unknown stochastic process.

Gaussian Processes Sociology +1

Estimating treatment effects from single-arm trials via latent-variable modeling

1 code implementation6 Nov 2023 Manuel Haussmann, Tran Minh Son Le, Viivi Halla-aho, Samu Kurki, Jussi V. Leinonen, Miika Koskinen, Samuel Kaski, Harri Lähdesmäki

Compared to previous methods, our results show improved performance both for direct treatment effect estimation as well as for effect estimation via patient matching.

Variational Inference

Evidential Turing Processes

2 code implementations ICLR 2022 Melih Kandemir, Abdullah Akgül, Manuel Haussmann, Gozde Unal

A probabilistic classifier with reliable predictive uncertainties i) fits successfully to the target domain data, ii) provides calibrated class probabilities in difficult regions of the target domain (e. g.\ class overlap), and iii) accurately identifies queries coming out of the target domain and rejects them.

Image Classification Uncertainty Quantification

Learning Partially Known Stochastic Dynamics with Empirical PAC Bayes

no code implementations17 Jun 2020 Manuel Haussmann, Sebastian Gerwinn, Andreas Look, Barbara Rakitsch, Melih Kandemir

Neural Stochastic Differential Equations model a dynamical environment with neural nets assigned to their drift and diffusion terms.

Time Series Prediction

Deep Active Learning with Adaptive Acquisition

1 code implementation27 Jun 2019 Manuel Haussmann, Fred A. Hamprecht, Melih Kandemir

As active learning is a scarce data regime, we bootstrap from a well-known heuristic that filters the bulk of data points on which all heuristics would agree, and learn a policy to warp the top portion of this ranking in the most beneficial way for the character of a specific data distribution.

Active Learning Model Selection

Sampling-Free Variational Inference of Bayesian Neural Networks by Variance Backpropagation

1 code implementation19 May 2018 Manuel Haussmann, Fred A. Hamprecht, Melih Kandemir

We propose a new Bayesian Neural Net formulation that affords variational inference for which the evidence lower bound is analytically tractable subject to a tight approximation.

Variational Inference

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