Dear UseRs, you can find on CRAN web site my last contribute about R & regression techniques:
http://cran.r-project.org/doc/contrib/Ricci-regression-it.pdf It's in Italian language. Regards. Vito Ricci Se non ora, quando? Se non qui, dove? Se non tu, chi? ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.