Hello! I wrote an introductory manual for R beginners in spanish. It is in pdf format and has a txt file with data. If you are interested you can download it from http://www.iestiemposmodernos.com/depart/LibroR.zip Espero que os sea de utilidad! _________________________________________________________________ Charla con tus amigos en l?nea mediante MSN Messenger: http://messenger.microsoft.com/es