Presentations Festkolloquium zu Ehren des 80. Geburtstags von Olaf Bunke, Humboldt- Universität zu Berlin: Modellwahl: ein Rückblick (October 2015) Workshop Minimax Regret and Related Concepts, European University Institute, Florence: (1) Minimax Regret Hard and Soft Thresholding with Applications in Nonparametric Regression, (2) Methods for Solving Minimax Regret Used in Statistics (March 2007) Conference on Recent Developments in Econometrics, Florence: Minimax regret comparison of hard and soft thresholding in orthogonal series regression under smoothness assumptions (September 2006) Frankfurter Stochastik-Tage 2006, Frankfurt am Main: Minimax regret comparison of hard and soft thresholding in orthogonal series regression under smoothness assumptions (March 2006) Workshop on Model Choice and Validation, Munich: Model selection versus shrinkage methods in regression analysis: Some decision theory (October 2005) 54th Session of the International Statistical Institute, Berlin: Model selection and shrinkage methods in regression analysis (August 2003) 24th European Meeting of Statisticians, Prague: A Practical approach to model selection in special ANOVA problems (August 2002) Alumni Summer School, Berlin: Statistical methods of model selection and their application to economic problems (July 2002) French-German Seminar Applied Statistics, Potsdam: Model selection and related methods in regression analysis (April 2002) Seventh International Conference on Parametric Optimization and Related Topics, Puebla: On the estimation of a bounded normal mean: Some decision theory (March 2002) Fifth International Conference on Operations Research, Havanna: On a procedure for selecting ANOVA models, and applications (March 2002) 23rd European Meeting of Statisticians, Funchal (Portugal): On the minimax regret estimation of a restricted normal mean, and implications (August 2001) Institut für Mathematische Stochastik, Technische Universität, Dresden: Model selection, transformations and variance estimation in nonlinear regression (January 2001) 1. Symposium zur ökonomischen Analyse der Unternehmung, Koblenz (WHU, Vallendar): Die relative Bedeutung des Einflusses von Firmen- und Industriezweigeffekten auf den Unternehmenserfolg (October 2000)
Seminar Paris Berlin, Garchy: On the minimax regret estimation of a restricted normal mean, and implications (September 2000) Pfingsttagung der Deutschen Statistischen Gesellschaft, Frankfurt (Oder): Asymptotic properties of model selection procedures in linear regression (June 2000) Klausurtagung des SFB 373, Wulkow: Die relative Bedeutung des Einflusses von Firmen- und Industrieeffekten auf den Unternehmenserfolg (May 2000) Hamburger Stochastik-Tage 2000, Hamburg: Some properties of model selection and related methods in regression analysis (March 2000) Workshop über die Zusammenarbeit zwischen Hochschulen und der Wirtschaft, Havanna: Semiparametric modelling of the cross-section of expected returns in the German stock market (March 2000) Fourth International Conference on Operations Research, Havanna: Asymptotic properties of model selection procedures in linear regression (March 2000) Measuring Risk in Complex Stochastic Systems, Berlin: Semiparametric modelling of the cross-section of expected returns in the German stock market (September 1999) Klausurtagung des SFB 373, Wulkow: Statistische Eigenschaften von Modellwahlverfahren (April 1999) Université Paul Sabatier, Toulouse: Model selection and shrinkage methods in regression analysis (November 1998) Fifth Conference on Model Oriented Data Analysis, Marseille: Model selection and shrinkage methods in regression analysis (June 1998) Fourth International Conference on Approximation and Optimization in the Carribean, Caracas: On the minimax regret approach to orthogonal series regression estimation (March 1997) Third Conference on Operations Research, Havanna: Selection of models in heteroscedastic nonlinear regression (March 1997) Fourth World Congress of the Bernoulli Society, Vienna: On the minimax regret approach to orthogonal series regression estimation (August 1996) University of New South Wales, Sydney: Model selection, transformations and variance estimation in nonlinear regression (July 1996) SISC 96 - Sydney International Statistical Congress, Sydney: Orthogonal series regression estimation: projection vs. shrinkage (July 1996) Pfingsttagung der Deutschen Statistischen Gesellschaft, Tübingen: Selection of models in heteroscedastic nonlinear regression (May 1996) 21st European Meeting of Statisticians, Aarhus: Orthogonal series regression estimation: Truncation vs. shrinkage (August 1995)
Fourth Conference on Model Oriented Data Analysis, Spetses (Greece): Some simulation results on cross-validation and competitors for model choice (June 1995) Seminar Paris Berlin, Garchy: On finite-sample properties of orthogonal series regression estimates (September 1994) COMPSTAT 94 Satellite Meeting on Smoothing: Statistical Theory and Computational Aspects, Semmering (Austria): Some simulation results on crossvalidation and competitors for order choice in polynomial regression (August 1994) Model Selection, Oberwolfach: On finite-sample properties of model selection procedures (December 1993) Fifth Prague Symposium on Asymptotic Statistics, Prague: On the asymptotic behaviour of the full cross-validation criterion (September 1993) 49th Session of the International Statistical Institute, Florence: Some comments on cross-validation (August 1993) Computeraided Semiparametric Modelling, Berlin: The full cross-validation criterion (March 1993) CORE, Louvain-la-Neuve: On finite-sample properties of adaptive least squares regression estimates (March 1993) DMV-Tagung, Berlin: On finite-sample properties of adaptive Fourier series regression estimates (September 1992) Third International Workshop on Model Oriented Data-Analysis, St. Petersburg: On finite-sample properties of some nonparametric regression estimates (May 1992) 17th Summer School Application of Mathematics in Engineering, Varna: (1) On a strategy for the selection of regression models, (2) On finite-sample properties of some nonparametric regression estimates (September 1991) 2. Seminar Angewandte Statistik der Freien Universität und der Humboldt- Universität, Wendisch-Rietz: Über ein Programm zur Wahl von Variablen und Modellen in der Regressionsanalyse (February 1991) Joint Seminar on Regression Analysis and Biometrics, INRA Paris - Humboldt University, Berlin: On finite-sample properties of some nonparametric regression estimates (September 1990) 11th Prague Conference on Information Theory, Statistical Decision Functions and Random Processes, Prague: On finite-sample properties of some nonparametric regression estimates (August 1990)
Second IIASA Workshop on Model-Oriented Data Analysis, Plovdiv: On a computer program for the selection of variables and models in regression analysis (May 1990) Charles University, Prague: Estimating the prediction risk of regression estimates and model selection (October 1989) 6th European Young Statistician Meeting, Prague: Estimating the prediction risk of regression estimates and model selection (August 1989) XXXIII Banach Semester on Robustness and Nonparametric Statistics, Warsaw: Estimating the risk of regression estimates and model choice (April 1989) 15th Conference on Mathematical Statistics, Olsztyn (Poland): On estimating the prediction error of nonlinear regression models (September 1988) Arbeitstagung Stochastik, Sellin: Schätzung der Vorhersagegüte von nichtlinearen Regressionsmodellen (February 1987) Joint Seminar on Nonlinear Regression, INRA Paris - Humboldt University, Berlin: On estimating the prediction error of nonlinear regression models (November 1986) Humboldt University, Charité, Seminar Anwendungen der Statistik in der Medizin, Berlin: Über den Leistungsumfang der Programmsammlung HU- PP Statistik (April 1986) Polish Academy of Sciences, Seminar Statistics, Wroclaw: Some results on selecting regression models (October 1985) Polish Academy of Sciences, Seminar Linear Model, Wroclaw: On estimating the MSEP in nonlinear regression (October 1985) Zentrale wissenschaftliche Studentenkonferenz, Technical University Dresden: Programmsystem HU-PP Statistik als multivalent nutzbare Software (October 1985) Seminar Angewandte Statistik in den Argrarwissenschaften, Biowissenschaften und in der Medizin an der Humboldt-Universität, Berlin: Neuere Tendenzen in der Analyse nichtlinearer Regressionsmodelle (June 1985) Statistische Strukturen meteorologischer Felder (Meteorologischer Dienst der DDR), Berlin: Verfahren zur Wahl linearer und nichtlinearer Regressionsmodelle - Überlick und Programme (January 1985) Hochschule für Ökonomie, Kolloquium zur Statistik, Berlin: Zur Wahl von Regressionsmodellen (December 1983) 6th International Summer School on Problems of Model Choice and Parameter Estimation in Regression Analysis, Sellin: On estimating the mean squared error of prediction in regression analysis: Some comparisons of the bootstrap and cross-validation approaches (November 1983)
MGU, Moscow: Some comparisons of MSEP estimators (April 1983) Spezialtagung über Programme und Anwendungen der Mathematischen Statistik, Leipzig: Ein Programm zur Wahl nichtlinearer Regressionsmodelle (April 1983) Institut für Mathematik der Akademie der Wissenschaften, Berlin: Zur Behandlung nichtlinearer Modelle innerhalb der Programmsammlung HU-PP Statistik (April 1983) MGU, Moscow: Wahl von Regressionsmodellen (in Russian, March 1981) Institut für Mathematik der Akademie der Wissenschaften, Berlin: Vergleich von Schätzungen des Vorhersagerisikos im linearen Regressionsmodell (November 1980)