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stat.AP2025
Sparse-Group Boosting with Balanced Selection Frequencies: A Simulation-Based Approach and R Implementation
Fabian Obster, Christian Heumann
This paper introduces a novel framework for reducing variable selection bias by balancing selection frequencies of base-learners in boosting and introduces the sgboost package in R…
stat.AP2025
Mortality simulations for insured and general populations
Asmik Nalmpatian, Christian Heumann
This study presents a framework for high-resolution mortality simulations tailored to insured and general populations. Due to the scarcity of detailed demographic-specific mortalit…