Search Results for author: Maren Hackenberg

Found 6 papers, 5 papers with code

Combining propensity score methods with variational autoencoders for generating synthetic data in presence of latent sub-groups

1 code implementation12 Dec 2023 Kiana Farhadyar, Federico Bonofiglio, Maren Hackenberg, Daniela Zoeller, Harald Binder

The sources of such heterogeneity might be known, e. g., as indicated by sub-groups labels, or might be unknown and thus reflected only in properties of distributions, such as bimodality or skewness.

Synthetic Data Generation

A statistical approach to latent dynamic modeling with differential equations

1 code implementation27 Nov 2023 Maren Hackenberg, Astrid Pechmann, Clemens Kreutz, Janbernd Kirschner, Harald Binder

Neural networks are used for obtaining a low-dimensional latent space for dynamic modeling from a potentially large number of variables, and for obtaining patient-specific ODE parameters from baseline variables.

Using Differentiable Programming for Flexible Statistical Modeling

1 code implementation7 Dec 2020 Maren Hackenberg, Marlon Grodd, Clemens Kreutz, Martina Fischer, Janina Esins, Linus Grabenhenrich, Christian Karagiannidis, Harald Binder

Differentiable programming has recently received much interest as a paradigm that facilitates taking gradients of computer programs.

Deep dynamic modeling with just two time points: Can we still allow for individual trajectories?

1 code implementation1 Dec 2020 Maren Hackenberg, Philipp Harms, Michelle Pfaffenlehner, Astrid Pechmann, Janbernd Kirschner, Thorsten Schmidt, Harald Binder

Inspired by recent advances that allow to combine deep learning with dynamic modeling, we investigate whether such approaches can be useful for uncovering complex structure, in particular for an extreme small data setting with only two observations time points for each individual.

The JuliaConnectoR: a functionally oriented interface for integrating Julia in R

1 code implementation13 May 2020 Stefan Lenz, Maren Hackenberg, Harald Binder

Like many groups considering the new programming language Julia, we faced the challenge of accessing the algorithms that we develop in Julia from R. Therefore, we developed the R package JuliaConnectoR, available from the CRAN repository and GitHub (https://github. com/stefan-m-lenz/JuliaConnectoR), in particular for making advanced deep learning tools available.

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