Gertraud Malsiner-Walli
Mag.rer.nat. Dr. Gertraud Malsiner-Walli M.Stat.- Telephone:
- +43 1 31336 5595
- Email:
- gertraud.malsiner-walli@wu.ac.at
Affiliation
CV
-
since
2020
- Assistant professor non tenure 2020
- Project leader of the WU project "High-dimensional Bayesian Gaussian mixtures" since 2016
- Research Assistent in the FWF project "Shrinking and Regularizing Finite Mixture Models" (Project leader: Sylvia Frühwirth-Schnatter) 2014
- PhD (Statistics), Johannes Kepler Universität Linz 2014-2016
- Research Assistent in the FWF project "Sparse Bayesian Modelling for Categorical Predictors" (Project leader: Helga Wagner) 2014-2016
- Research Assistent in the ÖNB project "Advanced methods for Macro-Economic Indicators as Explanatory Variables" (Project leader: Bettina Grün) 2010
- Master in Statistics, Johannes Kepler University Linz 2009
- BSc (Statistics), Johannes Kepler University Linz 1991
- Teaching degree for Philosophy, Psychology and Pedagogy ,University Salzburg 1989
- MSc (Mathematics), University Innsbruck
Researcher Identifier
-
No researcher identifier found.
Awards and Honors
-
No awards found.
Classifications
Expertise
- Bayesian model choice and variable selection
- Finite mixture models
- MCMC methods
- Regression models
Activities
| Membership in scientific association | ||
|---|---|---|
| 2015 | Statistical Modelling Society | |
| since 2010 | Österreichische Statistische Gesellschaft | |
| since 2010 | International Society for Bayesian Analysis | |
| Reviewer for a scientific journal | ||
| since 2021 | Statistical Modelling | |
| since 2021 | Journal of Statistical Software | |
| since 2021 | Journal of Classification | |
| since 2021 | Advances in Statistical Analysis | |
| since 2020 | Biometrics | |
| since 2019 | Technometrics | |
| since 2019 | Statistics and Probability | |
| since 2019 | Dependence Modeling | |
| since 2018 | Journal of Royal Statistical Society Series C | |
| since 2017 | Digital Signal Processing | |
| since 2017 | Annals of Applied Statistics | |
| since 2017 | Advances in Data Analysis and Classification (ADAC) | |
| since 2016 | Statistics and Computing | |
| since 2016 | PLOS One | |
| since 2015 | Statistical Papers | |
| since 2013 | Computational Statistics and Data Analysis | |
| since 2011 | Austrian Journal of Statistics | |
| Organisation of Research Seminar | ||
| 2012-2016 | Department of Applied Statistics, Johannes Kepler University Linz | |
| Organization scientific meeting (Conference etc.) | ||
| 2021 | European Young Statistician Meeting, Athens | |
| 2020 | Bayes@Austria 2020 | |
| 2019 | 26th Working group on model-based Clustering, WU Wien | |
| 2015 | 30th Workshop of Statistical Modelling, Johannes Kepler University Linz | |
Publications
Journal article
| 2022 | Rittmannsberger, Hans, Barth, Martin, Malik, Peter, Malsiner-Walli, Gertraud, Yazdi, Kurosch. 2022. First episode psychotic disorders in the wake of the COVID- 19 pandemic. A descriptive review of casereports. Acta Neuropsychiatrica. | (Details) | |
Ehrlich, Daniela, Dunzinger, Andreas, Malsiner-Walli, Gertraud, Grün, Bettina, Topakian, Raffi, Hodolic, Marina, Kainz, Elmar, Pichler, Robert. 2022. Lack of association between cortical amyloid deposition and glucose metabolism in early stage Alzheimer´s disease patients. Radiology and Oncology. 56 (1), 23-31.
|
(Details) | ||
|
Greve, Jan, Grün, Bettina, Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia. 2022. Spying on the prior of the number of data clusters and the partition distribution in Bayesian cluster analysis. Australian and New Zealand Journal of Statistics.
|
(Details) | ||
| 2021 |
Frühwirth-Schnatter, Sylvia, Malsiner-Walli, Gertraud, Grün, Bettina. 2021. Generalized Mixtures of Finite Mixtures and Telescoping Sampling. Bayesian Analysis. 16 (4), 1279-1307.
|
(Details) | |
|
Grün, Bettina, Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia. 2021. How many data clusters are in the Galaxy data set? Bayesian cluster analysis in action. ADAC - Advances in Data Analysis and Classification.
|
(Details) | ||
| 2019 |
Frühwirth-Schnatter, Sylvia, Malsiner-Walli, Gertraud. 2019. From here to infinity: sparse finite versus Dirichlet process mixtures in model-based clustering. Advances in Data Analysis and Classification. 13 (1), 33-64
|
(Details) | |
|
Malsiner-Walli, Gertraud, Hofmarcher, Paul, Grün, Bettina. 2019. Semi-parametric regression under model uncertainty: Economic applications. Oxford Bulletin of Economics and Statistics. 81 (5), 1117-1143.
|
(Details) | ||
| 2018 |
Frühwirth-Schnatter, Sylvia, Malsiner-Walli, Gertraud, Grün, Bettina. 2018. Discussion of "Bayesian Cluster Analysis: Point Estimation and Credible Balls" by Sara Wade and Zoubin Ghahramani. Bayesian Analysis. 13 (2), 601-603.
|
(Details) | |
|
Malsiner-Walli, Gertraud, Pauger, Daniela, Wagner, Helga. 2018. Effect fusion using model-based clustering. Statistical Modelling. 18 (2), 175-196.
|
(Details) | ||
| 2017 |
Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2017. Identifying mixtures of mixtures using Bayesian estimation. Journal of Computational and Graphical Statistics. 26 (2), 285-295.
|
(Details) | |
| Rittmannsberger, Hans, Rosenleitner, Jan, Malsiner-Walli, Gertraud, Werl, Regina, Rittmannsberger, Barbara, Yazdi, Kurosch. 2017. Treatment duration with long-acting injectable antipsychotics after in-hospital initiation. Journal of Clinical Psychopharmacology 37 (2), 250-254. | (Details) | ||
| 2016 |
Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2016. Model-based clustering based on sparse finite Gaussian mixtures. Statistics and Computing 26 (1), 303-324.
|
(Details) | |
| 2013 | Grün, Bettina, Malsiner-Walli, Gertraud. 2013. Discussion of “How to find an appropriate clustering for mixed-type variables with application to socio-economic stratification” by Hennig and Liao. Journal of the Royal Statistical Society: Series C (Applied Statistics). 62 350-351. | (Details) | |
| Rittmannsberger, Hans, Malsiner-Walli, Gertraud. 2013. Mood-dependent changes of serum lithium concentration in a rapid cycling patient maintained on stable doses of lithium carbonate. Bipolar Disorders 15 (3), 333-337. | (Details) | ||
| 2012 | Rittmannsberger, Hans, Fellinger, Johannes, Foff, Christian, Malsiner-Walli, Gertraud, Zaunmüller, Thomas. 2012. Deterioration of metabolic parameters during short-term psychiatric inpatient treatment: A prospective naturalistic study. International Journal of Psychiatry in Clinical Practice 16 (1), 8-17. | (Details) | |
| 2011 | Malsiner-Walli, Gertraud, Wagner, Helga. 2011. Comparing Spike and Slab Priors for Bayesian Variable Selection. Austrian Journal of Statistics 40 (4), 241-264. | (Details) |
Chapter in edited volume
| 2022 | Grün, Bettina, Malsiner-Walli, Gertraud. 2022. Bayesian Finite Mixture Models. In: Wiley StatsRef: Statistics Reference Online, Hrsg. N. Balakrishnan, T. Colton, B. Everitt, W. Piegorsch, F. Ruggieri, J. Teugels, 1-19. online: Wiley. | (Details) | |
| 2019 | Celeux, Gilles, Kamary, Kaniav, Malsiner-Walli, Gertraud, Marin, Jean-Michel, Robert, Christian P. 2019. Computational solutions for Bayesian inference in mixture models. In: Handbook of Mixture Analysis, Hrsg. Sylvia Frühwirth-Schnatter, Gilles Celeux, Christian P. Robert, 73-96. Boca Raton, Florida: Chapman & Hall. | (Details) |
Contribution to conference proceedings
| 2021 |
Frühwirth-Schnatter, Sylvia, Grün, Bettina, Malsiner-Walli, Gertraud. 2021. Estimating Bayesian Mixtures of Finite Mixtures with Telescoping Sampling. In CLADAG 2021 Book of Abstracts and Short Papers, Hrsg. Giovanni Camillo Porzio, Carla Rampichini, Chiara Bocci, 340-343. Firenze: Firenze University Press.
|
(Details) | |
| 2018 |
Grün, Bettina, Malsiner-Walli, Gertraud. 2018. Bayesian Latent Class Analysis with Shrinkage Priors: An Application to the Hungarian Heart Disease Data. In ASMOD 2018 -- Proceedings of the International Conference on Advances in Statistical Modelling of Ordinal Data, Hrsg. Stefania Capecchi and Francesca Di Iorio and Rosaria Simone, 13-24. FedOA -- Federico II University Press: None.
|
(Details) | |
| 2016 | Pauger, Daniela, Malsiner-Walli, Gertraud, Wagner, Helga. 2016. Bayesian effect fusion for categorical predictors with sparse finite mixture prior. In Proceedings of the 31st International Workshop on Statistical Modelling, Hrsg. Herwig Friedl, Helga Wagner, 247-252. Johannes Kepler University Linz: None. | (Details) | |
| 2015 | Malsiner-Walli, Gertraud, Grün, Bettina, Hofmarcher, Paul. 2015. Bayesian variable selection in semi-parameteric growth regression. In Proceedings of the 30th International Workshop on Statistical Modelling, Volume 2, Hrsg. Herwig Friedl, Helga Wagner, 151-154. Linz: None. | (Details) |
Paper presented at an academic conference or symposium
| 2021 | Frühwirth-Schnatter, Sylvia, Grün, Bettina, Malsiner-Walli, Gertraud. 2021. Estimating Bayesian Mixtures of Finite Mixtures with Telescoping Sampling. 13th Scientific Meeting of Classification and Data Analysis (CLADAG 2021), Firenze (online), Italy, 09.09.-11.09. | (Details) | |
| Malsiner-Walli, Gertraud, Grün, Bettina, Frühwirth-Schnatter, Sylvia. 2021. Generalized mixtures of finite mixtures. CFE-CMStatistics 2021, online, Vereinigtes Königreich von Großbrit. u. Nordirland, 18.12. | (Details) | ||
| Frühwirth-Schnatter, Sylvia, Grün, Bettina, Malsiner-Walli, Gertraud. 2021. Generalized Mixtures of Finite Mixtures and Telescoping Sampling. Autumn Session of the Working Group on Model-Based Clustering, Athens, Greece, 27.10.-27.10. | (Details) | ||
| Grün, Bettina, Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia. 2021. How many data clusters are in the Galaxy data set? Bayesian cluster analysis in action. 14th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2021), London (online), United Kingdom, 18.12.-20.12. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2021. Mixture models with a prior on the number of components. ISBA 2021 (International Society for Bayesian Analysis World Meeting), online, China, 02.07.2021. | (Details) | ||
| Malsiner-Walli, Gertraud. 2021. The point is to publish? Workshop of the PhD Label Mathematics in Economics and Business, Gumpoldskirchen, Österreich, 15.9. | (Details) | ||
| 2020 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina, Greve, Jan. 2020. Generalized mixtures of finite mixtures. MiDaS - Complex Data Modeling Research Network, Pontificia Universidad Católica de Chile, Chile, 04.12. | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2020. Generalized mixtures of finite mixtures. Workshop Bayes@Austria, WU Wien, Österreich, 28.11.2020. | (Details) | ||
| Frühwirth-Schnatter, Sylvia, Greve, Jan, Grün, Bettina, Malsiner-Walli, Gertraud. 2020. Model-based clustering with Bayesian Gaussian mixtures. Workshop on Models and Learning for Clustering and Classification, Catania (online), Italy, 11.09. | (Details) | ||
| 2019 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2019. Bayesianische Modellierung von Mischmodellen angewandt auf medizinische Fragestellungen. Wiener Biometrische Sektion (WBS) Seminar 2019, Wien, Österreich, 22.02. | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2019. Bridging finite and infinite mixtures. Summer Session of the Working Group on Model-Based Clustering, Vienna, Austria, 15.07. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2019. Identifying mixtures of mixtures using Bayesian estimation. Joint Statistical Meetings (JSM 2019), Denver, Vereinigte Staaten/USA, 29.07. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2019. Identifying mixtures of mixtures using Bayesian estimation. 5th Joint Statistical Meeting DAGStat 2019, München, Deutschland, 21.03. | (Details) | ||
| Malsiner-Walli, Gertraud, Grün, Bettina, Frühwirth-Schnatter, Sylvia. 2019. Shrinkage Priors for the Bayesian Latent Class Model. Working Group on Model-Based Clustering Sommer Session 2019, WU Wien, Österreich, 18.07. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2019. Telescoping mixtures - Learning the number of components and data clusters in Bayesian mixture analysis. Statistics5@Aegina, Aegina, Griechenland, 06.09.-08.09. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2019. Telescoping mixtures - Learning the number of components and data clusters in Bayesian mixture analysis. 16th Conference of the International Federation of Classification Societies, Thessaloniki, Griechenland, 26.08.-29.08. | (Details) | ||
| 2018 | Grün, Bettina, Malsiner-Walli, Gertraud. 2018. Bayesian latent class analysis with shrinkage priors: An application to the Hungarian heart disease data. Second International Conference on Advances in Statistical Modelling of Ordinal Data (ASMOD 2018)”, Naples, Italy, 26.10. | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. Summer Session of the Working Group on Model-Based Clustering, Ann Arbor, United States/USA, 18.07. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. Joint Statistical Meetings (JSM 2018), Vancouver, Kanada, 01.08. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. Statistische Woche, Linz, Österreich, 11.09.-14.09. | (Details) | ||
| Malsiner-Walli, Gertraud, Grün, Bettina. 2018. Variable selection in Bayesian latent class analysis using shrinkage priors. Workshop on Clustering Methods and Applications, Universität Bozen, Italien, 26.10. | (Details) | ||
| Malsiner-Walli, Gertraud, Grün, Bettina. 2018. Variable selection in Bayesian latent class analysis using shrinkage priors. CFE-CM Statistics 2018, Pisa, Italien, 14.12. | (Details) | ||
| 2017 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2017. Inferring components and clusters in Bayesian finite mixture modelling. Working Group on Computational and Methodological Statistics (ERCIM), Senate House, University of London, UK, Großbritannien, 16.12.2017. | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2017. Inferring components and clusters in Bayesian finite mixture modelling. Statistics4@Florence, Florenz, Italien, 05.07.2017. | (Details) | ||
| 2016 | Malsiner-Walli, Gertraud, Wagner, Helga, Pauger, Daniela, Grün, Bettina. 2016. Effect fusion using sparse finite mixtures. 10th International Conference on Computational and Financial Econometrics (CFE 2016), University of Seville, Sevilla, Spanien, 10.12. | (Details) | |
| Malsiner-Walli, Gertraud, Wagner, Helga, Pauger, Daniela, Grün, Bettina. 2016. Effect fusion using sparse finite mixtures. Summer Session of the Working Group on Model-Based Clustering, Universite` Paris Descartes, Frankreich, 19.07.2016. | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina, Wagner, Helga, Pauger, Daniela. 2016. Sparse finite mixture modelling. Research seminar, Innsbruck, Österreich, 03.11. | (Details) | ||
| 2015 | Grün, Bettina, Malsiner-Walli, Gertraud. 2015. Regularizing finite mixtures of Gaussian distributions. 10th Scientific Meeting of the Classification and Data Analysis Group (CLADAG 2015), Santa Margherita di Pula, Italien, 08.10. | (Details) | |
| 2014 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2014. Identifying mixtures of mixtures using Bayesian estimation. Olomoucian Days of Applied Mathematics 2015 (ODAM), Palacký University, Olomouc, Tschechische Republik, 21.05. | (Details) | |
| 2013 | Grün, Bettina, Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia. 2013. On prior choice in Bayesian model-based clustering. Summer Session of the Working Group on Model-Based Clustering, Bologna, Italien, 26.07. | (Details) |
Poster presented at an academic conference or symposium
| 2018 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. Workshop on Model-Based Clustering and Classification, Catania, Italien, 05.09.-07.09. | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. International Society for Bayesian Analysis (ISBA) World Meeting, Edinburgh, Großbritannien, 24.06-29.06. | (Details) | ||
| 2017 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2017. Inferring components and clusters in Bayesian finite mixture modelling. Working Group on Model-based Clustering, Perugia, Italien, 17.07.-22.07.2017. | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2017. Inferring components and clusters in Bayesian finite mixture modelling. Summer Session of the Working Group on Model-Based Clustering, Perugia, Italien, 18.07. | (Details) | ||
| 2016 | Malsiner-Walli, Gertraud, Wagner, Helga, Pauger, Daniela. 2016. Effect fusion using sparse finite mixtures. International Society for Bayesian Analysis (ISBA) World Meeting, Forte Village Resort Convention Center Sardinia. Italien, 15.06.2016. | (Details) |
Dissertation
| 2014 | Malsiner-Walli, Gertraud. 2014. Parsimonious Finite Mixture Models. Dissertation, Johannes Kepler University. | (Details) |
Master thesis
| 2010 | Malsiner-Walli, Gertraud. 2010. Bayesian Variable Selection in Normal Regression Models. Masterarbeit, Johannes Kepler University. | (Details) |
Unpublished lecture
| 2020 | Frühwirth-Schnatter, Sylvia, Malsiner-Walli, Gertraud, Grün, Bettina. 2020. Generalized mixtures of finite mixtures. Brown Bag Seminar, WU Vienna University of Economics ans Business, 28.10.20 | (Details) | |
| 2018 | Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. Research Seminar of the Department of Statistics, Miami University, Oxford, 24.07.18 | (Details) | |
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and data clusters in Bayesian finite mixture models. Research Seminar “Empirical Economics and Econometrics”, University of Innsbruck, 26.06.18 | (Details) | ||
| Malsiner-Walli, Gertraud, Frühwirth-Schnatter, Sylvia, Grün, Bettina. 2018. Learning the number of components and the number of clusters in Bayesian finite mixture models. WU Vienna University of Economics ans Business, Brown Bag Seminar, Institute of Statistics and Mathematics, 20.06.18 | (Details) | ||
| Malsiner-Walli, Gertraud, Hofmarcher, Paul, Grün, Bettina. 2018. Semi-parametric regression under model uncertainty in economic applications. Research Seminar of the Faculty of Economics, University of Ljubljana, 23.04.18 | (Details) | ||
| 2017 | Malsiner-Walli, Gertraud. 2017. Sparse Bayesian Finite Mixtures. Brown Bag Seminar, Institute of Statistics and Mathematics, WU Vienna University of Economics ans Business, 18.01. | (Details) | |
| 2016 | Malsiner-Walli, Gertraud. 2016. Statistik studieren - Daten analysieren. Studien Info Messe SIM, Johannes Kepler University Linz, 23.09. | (Details) | |
| Malsiner-Walli, Gertraud. 2016. Wie funktioniert eingentlich eine Wählerstromanalyse? Lange Nacht der Forschung, Johannes Kepler University Linz, 22.04. | (Details) |