About
I am a first-year PhD student in Mathematics at the Toulouse Institute of Mathematics (IMT), within the doctoral school EDMITT, under the supervision of François Bachoc and Juliette Chevallier. My current research focuses on post-selection inference for latent variable models.
I hold a PhD in Public Health (Biostatistics) from the doctoral school EDSP2, defended in Novembre 2025. My thesis, conducted at Inria Bordeaux and the Bordeaux Population Health Center (BPH), explored regularization methods for integrating high-dimensional data into mechanistic models in the context of vaccine development applications. It was supervised by Mélanie Prague and co-supervised by Cécile Proust-Lima. The thesis manuscript is available here, and the defense slides can be found here.
I am also actively involved in the statistical and mathematical communities. I am currently President of the Young Statisticians Group of the SFdS. In addition, I am a volunteer for the French Tournament of Young Mathematicians (TFJM²), organized by Animath, where I contribute as a jury member and participate in regional organizing committees as well as problem committees.
Papers & Softwares
Papers
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Gabaut, A., Thiébaut, R., Proust-Lima, C., Prague, M.
A Stability-Enhanced Lasso Approach for Covariate Selection in Non-Linear Mixed Effects Model.
Statistics in Medicine 45(1–2), 2026: e70407. [DOI]
Softwares
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LSAMBA — package for Lasso-SAMBA Algorithm (Stochastic Approximation Model Building Algorithm with Lasso regression for covariate model selection).
[CRAN page] -
REMixed — package for Regularized Estimation in MIXed effects models.
[CRAN page] · [Vignette PDF]
Conferences
International conferences — Oral presentations
- 32nd PAGE meeting — Rome, Italy — June 26–28, 2024. [Abstract]
- 10th Channel Network Conference (CNC) — Liège, Belgium — May 19–21, 2025.
National conferences — Oral presentations
- Journées de Biostatistique 2023 — Toulouse, France — November 16–17, 2023.
- 55th Journées de Statistique (SFdS) — Bordeaux, France — May 27–31, 2024.
- 2024 Annual Scientific Day of the RRI PHDS — Bordeaux, France — July 3, 2024.
- 56th Journées de Statistique (SFdS) — Aix-Marseille, France — June 2–6, 2025.
National conference — Poster
- 2023 2nd Young Researchers Day (Bordeaux Population Health) — Bordeaux, France — September 25, 2023. (Best Poster Award)
Organized events — Young Statisticians Group (SFdS)
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Journées YSP (Young Statisticians and Probabilists)
— Institut Henri Poincaré, Paris, France — February 7, 2025 & January 14, 2026.
Co-organization: invited speakers, program, communication. -
Journées de Statistique (Youth program)
— France — 2024–2026.
Logistics for the scientific lunch and speaker meet-ups (Bordeaux, 2024); scientific lunch (Aix-Marseille, 2025); special session and speaker meet-ups (Clermont-Ferrand, 2026). -
RJS 2026 (11th Rencontres des Jeunes Statisticien·ne·s)
— Porquerolles, France — May 17–21, 2026.
Participation in the scientific committee on behalf of the Young Statisticians Group.
Organized events — BBPH
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Seminar — "Bien s'informer en santé publique"
— Bordeaux, France — May 13, 2025.
With Geneviève Chêne and Priscille Rivière as invited speakers. -
Seminar — "Société et chercheurs : co-construire la science de demain"
— Bordeaux, France — November 28, 2024.
With Cécile Walter and Florence Francis-Oliviero as invited speakers.
Teaching
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Master 1 Public Health
- 2023–2024 — EPISTA101: Quantitative Approaches in Public Health (tutorials).
- 2023–2024 — Practical applications in R (computer labs).
- 2023–2024 — STG101: Supervision of a group project (Simulation-based evaluation of a covariate selection method accounting for correlations between multiple outcomes).
- 2024–2025 — STG101: Tutor–Reader.
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Bachelor 3 Maieutics
- 2023–2025 — Statistics (lectures and tutorials).
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Medical residency (1st year)
- 2023–2024 — Statistical Modeling and Introduction to R (lectures and tutorials).
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Orthoptics (2nd year)
- 2024–2025 — Course coordinator for Statistics and Epidemiology (Statistics part - lectures and tutorials).
Resume
[Detailed Resume]Current position
Academic background
PhD in Public Health (Biostatistics option)
Doctoral school EDSP2
Inria, BPH, Bordeaux Univ. (Bordeaux, France)
SISTM team [team webpage], BIOSTAT team [team webpage]
Title: Regularization methods for the integration of high-dimensional data into mechanistic models: application to vaccine development.
Keywords: mechanistic models; latent variable models; high-dimensional data; biomarkers; vaccination; data modeling.
Jury:
- Julien Chiquet — Research Director, Univ. Paris-Saclay / AgroParisTech / INRAE (Reviewer)
- Emmanuelle Comets — Research Scientist, Inserm Paris (Reviewer)
- Hélène Jacqmin-Gadda — Research Director, Inserm Bordeaux (Jury president)
- Sébastien Benzekry — Research Scientist, Inria–Inserm Aix-Marseille (Examiner)
- Pierre Neuvial — Research Director, CNRS Toulouse (Examiner)
- Mélanie Prague — Research Scientist, Inria Bordeaux (PhD supervisor)
- Cécile Proust-Lima — Research Director, Inserm Bordeaux (Co-supervisor)
[Manuscript PDF] · [Slides PDF]
Magistère in Fundamental and Applied Mathematics
Université Paris-Saclay (Orsay, France)
- M2 — Mathematics for Life Sciences (MSV) (2022–2023)
Funded by the FMJH Foundation (Sophie Germain Master Scholarship, 2022) - M1 — Fundamental Mathematics (2021–2022)
- L3 — Fundamental and Applied Mathematics (LDD3) (2020–2021)
[Manuscript PDF]
Classes Préparatoires aux Grandes Écoles (CPGE)
Lycée Clémenceau (Reims, France)
MP* (Engineering Sciences option)
Divers
Current activities
Puzzles & brainteasers.
Past activities
Address
118, Rte de Narbonne
F-31062 Toulouse Cedex 9
135, Avenue de Rangueil
31077 Toulouse Cedex 4