Gertraud Malsiner-Walli

Institute of Statistics and Mathematics

WU Vienna University of Business and Economics

Welthandelsplatz 1

1020 Vienna, Austria

Phone: +43 1 31336-5595

Email: gertraud.malsiner-walli@wu.ac.at

Research interests

• Finite mixture methodolgy
• MCMC methods
• Bayesian model choice and variable selection
• Statistical applications in medicine

Software

• telescope (R package)
• Effect fusion using model-based clustering (R package)
• Identifying mixtures of mixtures using Bayesian estimation (Code)
• Model-based clustering based on sparse finite Gaussian mixtures (Code)

Publications

• Panholzer J., Malsiner-Walli G., Grün B., Kalev O., Sonnberger M., Pichler, R. Multiparametric Analysis Combining DSC-MR Perfusion and [18F]FET-PET is Superior to a Single Parameter Approach for Differentiation of Progressive Glioma from Radiation Necrosis, in: Clinical Neuroradiology, 34(2), 351-360, 2024

• Vavra J., Komárek A., Grün B., Malsiner-Walli, G. Clusterwise multivariate regression of mixed-type panel data, in: Statistics and Computing, 34–46, 2024

• Wagner H., Malsiner-Walli G., Hofmarcher P. Bayesianische Modellwahl, in: Moderne Verfahren der Angewandten Statistik (Editors: Gertheiss J., Schmid M., Spindler M.). Heidelberg, Springer, 2023.

• Grün B., Malsiner-Walli G. Bayesian Finite Mixture Models, in: Wiley StatsRef: Statistics Reference Online. (Editors: N. Balakrishnan, Colton, T., Everitt, B., Piegorsch, W., Ruggieri, F., Teugels, J.). Online: Wiley, 1–19, 2022.

• Rittmannsberger H., Barth M., Malik P., Malsiner-Walli G., Yazdi K. First-episode psychotic disorders in the wake of the COVID-19 pandemic: a descriptive review of casereports, in: Acta Neuropsychiatrica, 34(6), 289–310, 2022.

• Grün B., Malsiner-Walli G., Frühwirth-Schnatter S.. How many data clusters are in the Galaxy data set? Bayesian cluster analysis in action, in: Advances in Data Analysis and Classification, 16(2), 325–349, 2022.

• Ehrlich D., Dunzinger A., Malsiner-Walli G., Grün B., Topakian R., Hodolic M., Kainz E., Pichler R. Lack of association between cortical amyloid deposition and glucose metabolism in early stage Alzheimer´s disease patients, in: Radiology and Oncology, 56(1), 23–31, 2022.

• Greve J., Grün B., Malsiner-Walli G., Frühwirth-Schnatter S. Spying on the prior of the number of data clusters and the partition distribution in Bayesian cluster analysis, in: Australian & New Zealand Journal of Statistics, 64(2), 205-229, 2022

• Frühwirth-Schnatter S., Malsiner-Walli G., Grün B. Estimating Bayesian Mixtures of Finite Mixtures with Telescoping Sampling, in: CLADAG 2021 Book of Abstracts and Short Papers (Editors: Giovanni Camillo Porzio, Carla Rampichini, Chiara Bocci), 340–343, 2021.

• Frühwirth-Schnatter S., Malsiner-Walli G., Grün B. Generalized mixtures of finite mixtures and telescoping sampling, in: Bayesian Analysis, 16(4), 1279–1307, 2021.

• Celeux G., Kamary K., Malsiner-Walli G., Marin J.M., and Robert C.P. Computational Solutions for Bayesian Inference in Mixture Models. In: Handbook of Mixture Analysis (Editors: Gilles Celeux, Sylvia Frühwirth-Schnatter, and Christian P. Robert), Chapman and Hall, Boca Raton Florida, 73–96, 2019.

• Frühwirth-Schnatter S., Malsiner-Walli G. From here to infinity - Sparse finite versus Dirichlet process mixtures in model-based clustering, in: Advances in: Data Analysis and Classification, 13(1), 33–64.

• Frühwirth-Schnatter S., Malsiner-Walli G., Grün B. Discussion of ``Bayesian Cluster Analysis: Point Estimation and Credible Balls’’ by Wade S. and Ghahramani Z., 13(2), 601–603, 2018.

• Malsiner-Walli G., Grün B., Hofmarcher P. Bayesian variable selection in semi-parametric growth regression, in: Oxford Bulletin of Economics and Statistics, 81, 1117–1143, 2019.

• Malsiner-Walli G., Pauger D., Wagner H. Effect fusion using model-based clustering, Statistical Modelling, 18(2), 175–196, 2018.

• Rittmannsberger H., Rosenleitner J., Malsiner-Walli G., Werl R., Rittmannsberger B., Yazdi K. Treatment duration with long-acting injectable antipsychotics after in-hospital initiation, in: Journal of Clinical Psychopharmacology, 37(2), 250–254, 2017.

• Malsiner-Walli G., Frühwirth-Schnatter S., Grün B. Identifying mixtures of mixtures using Bayesian estimation, in: Journal of Computational and Graphical Statistics, 26(2), 285–295, 2016.

• Malsiner-Walli G., Frühwirth-Schnatter S., Grün B. Model-based clustering based on sparse finite Gaussian mixtures, in: Statistics and Computing, 26, 303–324, 2016.

• Grün B., Malsiner-Walli G. Discussion of ``How to Find an Appropriate Clustering for Mixed-Type Variables with Application to Socio-Economic Stratification’’ by Hennig and Liao, in: Journal of the Royal Statistical Society: Series C (Applied Statistics), 6(3), 350–351, 2013.

• Rittmannsberger H., Malsiner-Walli G. Mood-dependent changes of serum lithium concentration in a rapid cycling patient maintained on stable doses of lithium carbonate, in: Bipolar Disorders, 15(3), 333-337, 2013.

• Rittmannsberger H., Fellinger J., Foff C., Malsiner-Walli G., Zaunmüller T. Deterioration of metabolic parameters during short-term psychiatric inpatient treatment: A prospective naturalistic study, in: International Journal of Psychiatry in Clinical Practice, Volume 16, Number 1, Page(s) 8–17, 2012.

• Malsiner-Walli G., Wagner H. Comparing Spike and Slab Priors for Bayesian Variable Selection, in: Austrian Journal of Statistics, 40(4), 241–264, 2011

Master Thesis

• Bayesian Variable Selection in Normal Regression Models

Vita

• CV