9 citations · 22 across the 10 of their papers we have counts for
3 papers · 1 filter
Deducing neighborhoods of classes from a fitted model
Alexander Gerharz, Andreas Groll, Gunther Schauberger
In todays world the request for very complex models for huge data sets is rising steadily. The problem with these models is that by raising the complexity of the models, it gets mu…
Random boosting and random^2 forests -- A random tree depth injection approach
Tobias Markus Krabel, Thi Ngoc Tien Tran, Andreas Groll +2
The induction of additional randomness in parallel and sequential ensemble methods has proven to be worthwhile in many aspects. In this manuscript, we propose and examine a novel r…
A flexible adaptive lasso Cox frailty model based on the full likelihood
Maike Hohberg, Andreas Groll
In this work a method to regularize Cox frailty models is proposed that accommodates time-varying covariates and time-varying coefficients and is based on the full instead of the p…