Haesbroeck, G. (April 2023). Chiffres et statistique [Paper presentation]. Université des champs, Vielsalm, Belgium. |
Haesbroeck, G. (25 November 2022). Règles de l'art de l'analyse statistique de données [Paper presentation]. Nombres, images et autres données, Liège, Belgium. |
Haesbroeck, G. (28 April 2022). Chiffres et interprétation: focus sur les statistiques dans la presse [Paper presentation]. Conférence annuelle de l'Association des mathématiciens diplômés de l'ULiège, Liège, Belgium. |
Sepulchre, E., Pittie, G., Stojkovic, V., Haesbroeck, G., Crama, Y., Schyns, M., Paridaens, H., de Marchin, J., Degesves, S., Biemar, C., Boccar, S., Senterre, J.-M., & Minon, J.-M. (2022). Covid-19: contribution of clinical characteristics and laboratory features for early detection of patients with high risk of severe evolution. Acta Clinica Belgica, 77 (2), 261-267. doi:10.1080/17843286.2020.1822078 |
Aerts, S., Haesbroeck, G., & Ruwet, C. (26 February 2020). Multivariate relative dispersion [Paper presentation]. International Workshop Advances in longitudinal and clustered data, Dortmund, Germany. |
Aerts, S., Haesbroeck, G., & Klenkenberg, S. (2020). Completion/Drop out and Time to Degree in the PhD track: A Conceptual Literature Review. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/240711. |
Henry, V., & Haesbroeck, G. (07 February 2018). Les probabilités : comment allier intuition et raisonnement ? Que peut apporter l'outil informatique ? [Paper presentation]. Séminaire AMUlg, Liège, Belgium. |
Aerts, S., Haesbroeck, G., & Ruwet, C. (2018). Distribution under elliptical symmetry of a distance-based multivariate coefficient of variation. Statistical Papers. doi:10.1007/s00362-016-0777-4 |
Ernst, M., & Haesbroeck, G. (March 2017). Comparison of local outliers detection techniques in spatial multivariate data. Data Mining and Knowledge Discovery, 31 (2), 371–399. doi:10.1007/s10618-016-0471-0 |
Aerts, S., & Haesbroeck, G. (2017). Robust asymptotic tests for the equality of multivariate coefficients of variation. TEST, 26 (1), 163-187. doi:10.1007/s11749-016-0504-4 |
Aerts, S., & Haesbroeck, G. (14 October 2016). A full inference toolbox to measure multivariate relative dispersion [Paper presentation]. 24e Congrès de la Société Belge de Statistiques. |
Ernst, M., & Haesbroeck, G. (14 December 2015). Spatial autocorrelation: robustness of measures and tests [Paper presentation]. 8th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2015), Londres, United Kingdom. |
Aerts, S., & Haesbroeck, G. (13 December 2015). Multivariate coefficients of variation: a full inference toolbox [Paper presentation]. 8th International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2015), London, United Kingdom. |
Aerts, S., Haesbroeck, G., & Ruwet, C. (December 2015). Multivariate coefficients of variation: Comparison and influence functions. Journal of Multivariate Analysis, 142, 183-198. doi:10.1016/j.jmva.2015.08.006 |
Favart, E., Haesbroeck, G., & Kreusch, M. (December 2015). Les mathématiques à l’honneur à MT180. Losanges, 31. |
Stirbu, S., Thirion, P., Schmitz, S., Haesbroeck, G., & Greco, N. (13 May 2015). The utility of Google Scholar when searching geographical literature: comparison with three commercial bibliographic databases. Journal of Academic Librarianship, 41 (3), 322-329. doi:10.1016/j.acalib.2015.02.013 |
Aerts, S., Haesbroeck, G., & Schyns, M. (2015). Doc'Data: mesure de la persévérance au doctorat à l'Université de Liège. ULg - Université de Liège. https://orbi.uliege.be/handle/2268/178305 |
Croux, C., & Haesbroeck, G. (2015). Régularisation robuste de matrices de variances-covariances. In J.-J. Droesbeke, G. Saporta, ... C. Thomas-Agnan, Méthodes robustes en statistique (pp. 125-138). Technip. |
Croux, C., & Haesbroeck, G. (2015). Analyse multivariée. In J.-J. Droesbeke, G. Saporta, ... C. Thomas-Agnan, Méthodes robustes en statistique (pp. 29-50). Technip. |
Ruwet, C., & Haesbroeck, G. (2015). Classification robuste. In J.-J. Droesbeke, G. Saporta, ... C. Thomas-Agnan, Méthodes robustes en statistique (pp. 63-82). Technip. |
Ernst, M., & Haesbroeck, G. (22 August 2014). Comparison of robust detection techniques for local outliers in multivariate spatial data [Paper presentation]. 21st International Conference on Computational Statistics, Geneva, Switzerland. |
Aerts, S., Haesbroeck, G., & Ruwet, C. (12 August 2014). Robustness and efficiency of multivariate coefficients of variation [Paper presentation]. International Conference on Robust Statistics ICORS 2014, Halle, Germany. |
Bair, J., & Haesbroeck, G. (June 2014). Eugène Catalan. Tangente, 158, 6-8. |
Ernst, M., & Haesbroeck, G. (26 November 2013). Robust detection techniques for multivariate spatial data [Poster presentation]. The 'International Year of Statistics' Conference, Luxembourg, Luxembourg. |
Ernst, M., & Haesbroeck, G. (11 July 2013). Detection of Local and Global Outliers in Spatial Data [Paper presentation]. International Conference on Robust Statistics ICORS 2013, Saint Petersburg, Russia. |
Bair, J., & Haesbroeck, G. (March 2013). Prix Nobel d'Economie et mathématiques. Losanges, 20, 43-50. |
Ruwet, C., & Haesbroeck, G. (February 2013). Classification performance resulting from of 2-means. Journal of Statistical Planning and Inference, 143 (2), 408-418. doi:10.1016/j.jspi.2012.08.004 |
Croux, C., Haesbroeck, G., & Ruwet, C. (2013). Robust estimation for ordinal regression. Journal of Statistical Planning and Inference, 143 (9), 1486–1499. doi:10.1016/j.jspi.2013.04.008 |
Bair, J., & Haesbroeck, G. (January 2012). Modèles chaotiques en économie. Tangente Sup, 63 - 64, 45 - 50. |
Ruwet, C., & Haesbroeck, G. (2011). Impact of contamination on training and test error rates in statistical clustering. Communications in Statistics: Simulation and Computation, 40 (3), 394-411. doi:10.1080/03610918.2010.542847 |
Ruwet, C., Haesbroeck, G., & Croux, C. (14 October 2010). Robustness in ordinal regression [Paper presentation]. 18th Annuel meeting of the Belgian Statistical Society, Spa, Belgium. |
Ruwet, C., Haesbroeck, G., & Croux, C. (28 June 2010). Robust ordinal logistic regression [Paper presentation]. International conference on robust statistics 2010, Prague, Czechia. |
Ruwet, C., Haesbroeck, G., & Croux, C. (20 May 2010). Robustness properties of the ordered logistic discrimination [Paper presentation]. Séminaire de statistique, Liège, Belgium. |
Schyns, M., Haesbroeck, G., & Critchley, F. (April 2010). RelaxMCD: smooth optimisation for the Minimum Covariance Determinant estimator. Computational Statistics and Data Analysis, 54 (4), 843-857. doi:10.1016/j.csda.2009.11.005 |
Critchley, F., Schyns, M., Haesbroeck, G., Fauconnier, C., Lu, G., Atkinson, R. A., & Wang, D. Q. (January 2010). A relaxed approach to combinatorial problems in robustness and diagnostics. Statistics and Computing, 20 (1), 99-115. doi:10.1007/s11222-009-9119-x |
Ruwet, C., & Haesbroeck, G. (14 October 2009). Detection of influential observations on the error rate based on the generalized k-means clustering procedure [Paper presentation]. 17th Annual meeting of the Belgian Statistical Society, Lommel, Belgium. |
Fauconnier, C., & Haesbroeck, G. (July 2009). Outlier detection with the minimum covariance determinant estimator in practice. Statistical Methodology, 6 (4), 363-379. doi:10.1016/j.stamet.2008.12.005 |
Ruwet, C., & Haesbroeck, G. (18 June 2009). Impact of contamination on empirical and theoretical error [Paper presentation]. ICORS09 International Conference on Robust Statistics, Parma, Italy. |
Ruwet, C., & Haesbroeck, G. (19 May 2009). Influence function of the error rate of classification based on clustering [Paper presentation]. Third annual doctoral workshop of the Graduate School STAT-ACTU, Liège, Belgium. |
Ruwet, C., & Haesbroeck, G. (May 2009). Influence functions of the error rates of classification based on clustering [Poster presentation]. Exploring research frontiers in contemporary statistics an econometrics, Louvain-La-Neuve, Belgium. |
Ruwet, C., & Haesbroeck, G. (30 March 2009). Influence function of the error rate of the generalized k-means [Paper presentation]. Séminaire de statistique, Liège, Belgium. |
Croux, C., Haesbroeck, G., & Joossens, K. (2008). Logistic discrimination using robust estimators: an influence function approach. Canadian Journal of Statistics, 36 (1), 157-174. doi:10.1002/cjs.5550360114 |
Critchley, F., Schyns, M., Haesbroeck, G., Kinns, D., Atkinson, R. A., & Lu, G. (2004). The case sensitivity function approach to diagnostic and robust computation: a relaxation strategy. In J. Antoch, COMPSTAT 2004: Proceedings in Computational Statistics (pp. 113-125). Heidelberg, Germany: Physica-Verlag. |
Henry, V., & Haesbroeck, G. (2004). Pratique de la statistique descriptive. Bruxelles et Liège, Belgium: Coédition Ferrer et Céfal. doi:10.1309/8DE12YU65BKHHQW6 |
Croux, C., & Haesbroeck, G. (28 October 2003). Implementing the Bianco and Yohai estimator for logistic regression. Computational Statistics and Data Analysis, 44 (1-2), 273-295. doi:10.1016/S0167-9473(03)00042-2 |
Croux, C., Flandre, C., & Haesbroeck, G. (15 December 2002). The breakdown behavior of the maximum likelihood estimator in the logistic regression model. Statistics and Probability Letters, 60 (4), 377-386. doi:10.1016/S0167-7152(02)00292-4 |
Croux, C., Haesbroeck, G., & Rousseeuw, P. J. (July 2002). Location adjustment for the minimum volume ellipsoid estimator. Statistics and Computing, 12 (3), 191-200. doi:10.1023/A:1020713207683 |
Croux, C., & Haesbroeck, G. (June 2002). Maxbias curves of robust location estimators based on subranges. Journal of Nonparametric Statistics, 14 (3), 295-306. doi:10.1080/10485250212378 |
Bair, J., & Haesbroeck, G. (2002). Sur l'enseignement de la statistique en Communauté française de Belgique. Repères: Revue des Instituts de Recherche sur l'Enseignement des Mathématiques, 48, 41-58. |
Croux, C., & Haesbroeck, G. (January 2002). A note on finite-sample efficiencies of estimators for the minimum volume ellipsoid. Journal of Statistical Computation and Simulation, 72 (7), 585-596. doi:10.1080/00949650213708 |
Croux, C., & Haesbroeck, G. (2001). Régression logistique robuste. In J. J. Droesbeke, M. Lejeune, ... G. Saporta, Modèles statistiques pour données qualitatives. Paris, France: Technip. |
Croux, C., & Haesbroeck, G. (2001). Maxbias curves of robust scale estimators based on subranges. Metrika, 53 (2), 101-122. doi:10.1007/PL00003987 |
Bair, J., & Haesbroeck, G. (2000). Formation mathématique par la résolution de problèmes. Bruxelles, Belgium: De Boeck Université. |
Croux, C., & Haesbroeck, G. (2000). Principal component analysis based on robust estimators of the covariance or correlation matrix: Influence functions and efficiencies. Biometrika, 87 (3), 603-618. doi:10.1093/biomet/87.3.603 |
Croux, C., & Haesbroeck, G. (2000). Estimateurs Robustes pour les Composantes Principales. In Proceedings des XXXII Journées de Statistique (pp. 276-278). |
Bair, J., & Haesbroeck, G. (1999). La formation quantitative des économistes à la lumière de l'évolution des rapports entre les mathématiques et l'économie. In Histoire et épistémologie dans l'éducation mathématique: de la maternelle à l'université, Proceedings I (pp. 83-89). |
Croux, C., & Haesbroeck, G. (1999). Influence function and efficiency of the minimum covariance determinant scatter matrix estimator. Journal of Multivariate Analysis, 71 (2), 161-190. doi:10.1006/jmva.1999.1839 |
Croux, C., & Haesbroeck, G. (1999). Empirical Influence Functions for Robust Principal Components. In 1999 Proceedings of the Statistical Computing Section of the American Statistical Association (pp. 201-206). |
Bair, J., & Haesbroeck, G. (1998). Modélisation : passage d'un problème réel à un problème mathématique. Bulletin APMEP, 418, 583-590. |
Bair, J., Haesbroeck, G., Justens, D., & Rosoux, J. (1998). Modèles mathématiques en finance. (Presses Ferrer). |
Haesbroeck, G. (1998). Le chaos. In J. Bair, G. Haesbroeck, D. Justens, ... J. Rosoux, Modèles mathématiques en finance: de l'incohérence à l'incertitude et au chaos. Presses Ferrer. |
Bair, J., & Haesbroeck, G. (1997). Monotonous stability for neutral fixed points. Bulletin of the Belgian Mathematical Society Simon Stevin, 4 (5), 639-646. doi:10.36045/bbms/1105737768 |
Bair, J., & Haesbroeck, G. (1997). Etude statistique sur la perception des problèmes mathématiques dans l'enseignement. In Stratégies et medias pédagogiques pour l'apprentissage et l'évaluation dans l'enseignement supérieur (pp. 615-624). |
Croux, C., & Haesbroeck, G. (1997). An Easy Way to Increase the Finite-Sample Efficiency of the Resampled Minimum Volume Ellipsoid Estimator. Computational Statistics and Data Analysis, 25, 125-141. doi:10.1016/S0167-9473(96)00088-6 |
Haesbroeck, G. (1997). Introduction à la statistique robuste. In Proceedings CSIPWIC 1997. |
Bair, J., & Haesbroeck, G. (1996). Variations autour de la définition des fonctions convexes. Mathématique et Pédagogie, 105, 57-70. |
Bair, J., & Haesbroeck, G. (1996). La dérivée schwarzienne. Mathématique et Pédagogie, 108, 29-38. |
Haesbroeck, G. (1995). Likelihood functions and measurement errors. In Proceeding of the 9th European meeting of young statisticians (pp. 31-35). |