M.Sc. Felix Willems

Focus of work

Research

  • Design optimization for sample surveys
  • Calibration
  • Generation of synthetic company data

Projects

  • RIFOSS - Research Innovation for Official and Survey Statistics

Scientific career

since 2019Doctoral candidate at Trier University
Topic of the thesis: Design Optimization in Business Statistics
2019M.Sc. in Applied Mathematics at Trier University
2017B.Sc. in Mathematical Economics at Trier University

Curriculum vitae

since 2019Research assistant at the Economic and Social Statistics Department at Trier University
2018Erasmus-Scholarship Mathématiques Fondamentales, Université de Strasbourg
2017-2019M.Sc. Applied Mathematics at Trier University
2017Internship risk management, HDI Kundenservice AG, Köln
2016Erasmus-Stipendium Mathematics with Finance, University of Southampton
2014-2017B.Sc. in Mathematical Economics at Trier University

Conference presentations

Willems, F. & Münnich, R. (2024): Design Optimization for the German Representative Election Statistics. Tagung des Arbeitskreises für mathematisch-statistische Methoden 2024, Wiesbaden, Germany.

Willems, F. (2024): On Aspects of Optimal Allocation in Survey Sampling. Pobability Seminar at the Mathematics and Information Science Department of Warsaw University of Technology, Warsow, Poland.

Willems, F. & Münnich, R. (2024): Decision-Making in Multiple Purpose Allocation. Statistical Week 2024, Regensburg, Germany.

Willems, F. & Münnich, R. (2024): Analytic Sensitivity Analysis for Multipurpose Allocation. ICESVII 2024, Glasgow, Scotland.

Willems, F. & Münnich, R. (2023): An R-routine for Interactive Multi-objective Optimal Allocation. SurvConf 2023, Bamberg, Germany.

Münnich, R. & Straubinger, J. & Willems, F. (2023): Design Updates under Permanent Random Numbers. EESW23, Lisbon, Portugal.

Willems, F. & Münnich, R. (2022): Interactive Multi-objective Optimal Allocation. Statistical Week 2022, Münster, Germany.

Willems, F. & Münnich, R. (2022): Multi-objective Optimal Allocation. Tagung des Arbeitskreises für mathematisch-statistische Methoden 2022, Wiesbaden, Germany.

Willems, F. & Münnich, R. (2021): Design Optimization under conflicting goals in Business Statistics. Statistical Week 2021, Kiel, Germany.

Willems, F. (2021): Multiple Purpose Optimal Allocation. Young Researchers Workshop. Statistical Week 2021, Kiel, Germany.

Workshop participations

New developments in business data collection methodology, 19. September 2023, Statistics Portugal, Lissabon

Publications

Münnich, R., Straubinger, J., Willems, F. (2023): Design Updates under Permanent Random Numbers. EESW23 Conference Paper, Lisbon, Portugal. https://drive.google.com/file/d/1bzqLZR3eRIugyzOnkwoKUyh69R_S8rj-/view