Search Results for author: Marjolein Fokkema

Found 7 papers, 1 papers with code

Subgroup detection in linear growth curve models with generalized linear mixed model (GLMM) trees

no code implementations11 Sep 2023 Marjolein Fokkema, Achim Zeileis

Growth curve models are popular tools for studying the development of a response variable within subjects over time.

Time Series

Imputation of missing values in multi-view data

no code implementations26 Oct 2022 Wouter van Loon, Marjolein Fokkema, Frank de Vos, Marisa Koini, Reinhold Schmidt, Mark de Rooij

This leads to very large quantities of missing data which, especially when combined with high-dimensionality, makes the application of conditional imputation methods computationally infeasible.

Imputation Meta-Learning +2

Improved prediction rule ensembling through model-based data generation

no code implementations28 Sep 2021 Benny Markovitch, Marjolein Fokkema

This article examines the use of surrogate modelsto improve performance of PRE, wherein the Lasso regression is trained with the help of a massivedataset generated by the (boosted) decision tree ensemble.

regression

View selection in multi-view stacking: Choosing the meta-learner

no code implementations30 Oct 2020 Wouter van Loon, Marjolein Fokkema, Botond Szabo, Mark de Rooij

The remaining four meta-learners, namely nonnegative ridge regression, nonnegative forward selection, stability selection and the interpolating predictor, show little advantages in order to be preferred over the other three.

regression

Stacked Penalized Logistic Regression for Selecting Views in Multi-View Learning

no code implementations6 Nov 2018 Wouter van Loon, Marjolein Fokkema, Botond Szabo, Mark de Rooij

We compare the performance of StaPLR with an existing view selection method called the group lasso and observe that, in terms of view selection, StaPLR is often more conservative and has a consistently lower false positive rate.

General Classification MULTI-VIEW LEARNING +1

pre: An R Package for Fitting Prediction Rule Ensembles

1 code implementation22 Jul 2017 Marjolein Fokkema

Prediction rule ensembles (PREs) are sparse collections of rules, offering highly interpretable regression and classification models.

Computation Methodology

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