Willi Sauerbrei

Available identifiers

zbMath Open sauerbrei.williMaRDI QIDQ1020051

List of research outcomes

Publication	Date of Publication	Type
Dose–response modelling for bivariate covariates with and without a spike at zero: theory and application to binary outcomes	2023-12-12	Paper
Doug Altman: Driving critical appraisal and improvements in the quality of methodological and medical research	2023-11-23	Paper
A New Proposal for Multivariable Modelling of Time‐Varying Effects in Survival Data Based on Fractional Polynomial Time‐Transformation	2020-09-25	Paper
Handling co-dependence issues in resampling-based variable selection procedures: a simulation study	2020-04-23	Paper
Exploration of the variability of variable selection based on distances between bootstrap sample results	2020-03-02	Paper
Detection of influential points as a byproduct of resampling-based variable selection procedures	2018-08-14	Paper
On the necessity and design of studies comparing statistical methods	2018-02-09	Paper
Modeling continuous covariates with a “spike” at zero: Bivariate approaches	2016-08-12	Paper
Subsampling versus bootstrapping in resampling-based model selection for multivariable regression	2016-05-10	Paper
On stability issues in deriving multivariable regression models	2015-11-16	Paper
Analysing covariates with spike at zero: A modified FP procedure and conceptual issues	2012-10-02	Paper
Use of pretransformation to cope with extreme values in important candidate features	2011-07-19	Paper
Comparison of procedures to assess non‐linear and time‐varying effects in multivariable models for survival data	2011-04-06	Paper
Increasing the usefulness of additive spline models by knot removal	2009-06-16	Paper
On properties of predictors derived with a two-step bootstrap model averaging approach -- a simulation study in the linear regression model	2009-06-12	Paper
Detecting an interaction between treatment and a continuous covariate: a comparison of two approaches	2009-05-29	Paper
Improving the robustness of fractional polynomial models by preliminary covariate transformation: a pragmatic approach	2009-05-29	Paper
Multivariable regression model building by using fractional polynomials: description of SAS, STATA and R programs	2008-12-11	Paper
Multivariable Model‐Building	2008-06-25	Paper
https://portal.mardi4nfdi.de/entity/Q3498022	2008-05-28	Paper
Evidence-Based Assessment and Application of Prognostic Markers: The Long Way from Single Studies to Meta-Analysis	2007-02-15	Paper
The practical utility of incorporating model selection uncertainty into prognostic models for survival data	2005-09-01	Paper
Variable Selection and Shrinkage: Comparison of Some Approaches	2004-06-15	Paper
https://portal.mardi4nfdi.de/entity/Q4446521	2004-02-02	Paper
https://portal.mardi4nfdi.de/entity/Q4423442	2003-09-08	Paper
The Use of Resampling Methods to Simplify Regression Models in Medical Statistics	2000-07-03	Paper

Research outcomes over time

Doctoral students

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