Alfio Marazzi

Emeritus professor
tel: +41 21 314 72 60

Alfio Marazzi is emeritus professor of statistics at the Faculty of Biology and Medicine, Universty of Lausanne. His research interests include robust statistics and quantitative methods for hospital management

Representative publications

Marazzi A. [1985]. On constrained minimization of the Bayes risk for the linear model. Statistics and Decisions, 3, pp. 277-296. Stat&Dec1985.pdf

Marazzi A. [1993]. Algorithms, Routines and S Functions for Robust Statistics. Pacific Grove, California: Wadsworth & Brooks/Cole.

Marazzi A., Ruffieux C. [1996]. Implementing M-estimators of the Gamma distribution. Robust Statistics, Data Analysis, and Computer Intensive Methods, in Honor of Peter Huber‘s 60th Birthday, H. Rieder (Ed.). Lecture Notes in Statistics, Springer, 109, pp. 277-297. [Draft pdf]

Marazzi A., Paccaud F. Ruffieux C., Beguin C. [1998]. Fitting the distributions of length of stay by parametric models. Medical Care, 36, pp. 915-927. [Draft pdf]

Marazzi A., Ruffieux C. [1999]. The truncated mean of an asymmetric distribution. Computational Statistics & Data Analysis, 32, pp. 79-100. [Draft pdf]

Ruffieux C., Paccaud F., Marazzi A. [2000]. Comparing rules for truncating hospital length of stay. Casemix Quaterly, Vol 2 n.1. [Draft pdf]

Marazzi A. [2002]. Bootstrap tests for robust means of asymmetric distributions with unequal shapes. Computational Statistics & Data Analysis, 39, pp. 503-528. [Draft pdf]

Marazzi A., Barbati G. [2003]. Robust parametric means of asymmetric distributions: estimation and testing. Estadistica, Vol 54, Numbers 162-163, pp. 47-72. [Draft pdf]

Marazzi A., Yohai V. J. [2004]. Adaptively truncated maximum likelihood regression with asymmetric errors. Journal of Statistical Planning and Inference, Vol 122/1-2, pp. 271-291. [Draft pdf]

Marazzi A., Yohai V. J. [2004]. Robust Box-Cox transformations for simple regression. Theory and Applications of Recent Robust Methods, Series: Statistics for Industry and Technology, Birkhauser, Basel. Edited by M. Hubert, G. Pison, A. Struyf and S. Van Aelst. pp 173-182. [Draft pdf]

Marazzi A., Yohai V. J. [2005]. Consistency of the robust residual autocorrelation estimate of a transformation parameter. Technical report. [Draft pdf]

Marazzi A., Yohai V. J. [2006]. Robust Box-Cox transformations based on minimum residual autocorrelation. Computational Statistics & Data Analysis, 50, pp. 2752-2768. [Draft pdf]

Marazzi A., Gardiol L., Duong H. D. [2007]. New approaches to reimbursement schemes based on PCSs and their comparaison. Health Services Management Research, 20, pp. 203-210. [Draft pdf]

Marazzi A., Robine J.M., Cheung S.L.K., Paccaud F. [2008]. Technical report [Document pdf], Bootstrap lifeTables: [R programs]

Marazzi A., Villar A.J., Yohai V. J. [2009]. Robust Response Transformations Based on Optimal Prediction. Journal of the American Statistical Association, 104(485), pp. 360-370.

Locatelli I., Marazzi A. [2009]. A Note on Estimating A Mean Cost of Hospital Stay with Incomplete Information. Health Care Costs: Causes, Effects and Control, B.R. Hofmann (Ed.). Nova Publishers, ISBN: 978-1-60456-976-6.

Domenighetti G., Tomada A., Marazzi A., Abazi O., Quaglia J. [2009]. Impact of job insecurity on sexual desire: an exploratory analysis. Swiss Medical Weekly, 139(33-34), pp. 486-492.

Marazzi A., Yohai V. [2010]. Optimal robust estimates using the Hellinger distance. Adv. Data Anal. Classif. DOI 10.1007 / sl1634-010-0061-8.

Locatelli I., Marazzi A., Yohai V.J. (2010). Robust Accelerated Failure Time Regression. Computational Statistics and Data Analysis, 55, 874-887.

Locatelli I., Marazzi (2013). parametric indirect estimates of the expected cost of a hospital stay with covariates and censored data. Statistics in Medicine, Jun 30;32(14):2457-66

Agostinelli C., Marazzi A., Yohai V.J (2013). Robust estimators of the generalized loggamma distribution. Accepted in Technometrics.


Course support

Software for robust statistics