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stat.ME2025
Flexible tree-structured regression for clustered data with an application to quality of life in older adults
Nikolai Spuck, Matthias Schmid, Moritz Berger
Tree-structured models are a powerful alternative to parametric regression models if non-linear effects and interactions are present in the data. Yet, classical tree-structured mod…
stat.ME2024
Confidence intervals for tree-structured varying coefficients
Nikolai Spuck, Matthias Schmid, Malte Monin +1
The tree-structured varying coefficient model (TSVC) is a flexible regression approach that allows the effects of covariates to vary with the values of the effect modifiers. Releva…
stat.ME2023
Detection of nonlinearity, discontinuity and interactions in generalized regression models
Nikolai Spuck, Matthias Schmid, Moritz Berger
In generalized regression models the effect of continuous covariates is commonly assumed to be linear. This assumption, however, may be too restrictive in applications and may lead…