dear all, apologizes for this off topic. I would like to inform you that registration and paper submission for the 28th International Workshop on Statistical Modelling (IWSM) to be held in Palermo (Italy) 8-12 July 2013 is now open at http://iwsm2013.unipa.it Register at http://iwsm2013.unipa.it/?cmd=registration and then submit your abstract. Deadlines for Abstract submission is February 4, 2013 and for Early Registration is April 20, 2013. **Invited Speakers** 1)Ciprian Crainiceanu Johns Hopkins University, USA 2)Torsten Hothorn Ludwig-Maximilians-Universit?t Munchen, DEU 3)Stefano M. Iacus Universit? di Milano, ITA 4)Geoff McLachlan University of Queensland, AUS 5)Hein Putter Leiden University Medical Cente, NLD **Short Course** (sunday 7 july 2013) J. Fox, ' An Introduction to Structural Equation Modelling with the sem Package for R'. best wishes, Vito Muggeo, on behalf of the IWSM2013 Scientific Committee -- =============================================Vito M.R. Muggeo Dip.to Sc Statist e Matem `Vianelli' Universit? di Palermo viale delle Scienze, edificio 13 90128 Palermo - ITALY tel: 091 23895240 fax: 091 485726 http://dssm.unipa.it/vmuggeo 28th IWSM International Workshop on Statistical Modelling July 8-12, 2013, Palermo http://iwsm2013.unipa.it