Paulo, thank you for the straightforward hint. But then, I should use the Box-Cox transformation to a set of data, whose class at the moment is data.frame. The help says only lm and aov objects can be handled. What should I do?
thank you Stefano On Thu, 2006-02-09 at 10:56 -0200, Paulo Justiniano Ribeiro Jr wrote: > first load the package with: > > require(MASS) > > and then use the boxcox() function > > > On Thu, 9 Feb 2006, Stefano Sofia wrote: > > > Date: Thu, 09 Feb 2006 11:51:02 +0000 > > From: Stefano Sofia <[EMAIL PROTECTED]> > > To: r-help@stat.math.ethz.ch > > Subject: [R] about Cox-Box transformation > > > > Dear R-users, > > I am using R version 1.8.0-1 under Suse 8.2. > > I need to use the boxcox command because I want to apply a Cox-Box > > transformation to a vector of rainfall values. > > Within the libraries, the MASS library is present, but I don't know > > whether this means that is automatically installed or not. > > The command doesn't work. What do I have to do in order to make it > > working? Is just a problem of installation or simply of recalling the > > right command? > > > > thank you for your help > > Stefano > > > > ______________________________________________ > > 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 > > > > > > Paulo Justiniano Ribeiro Jr > LEG (Laboratório de Estatística e Geoinformação) > Departamento de Estatística > Universidade Federal do Paraná > Caixa Postal 19.081 > CEP 81.531-990 > Curitiba, PR - Brasil > Tel: (+55) 41 3361 3573 > Fax: (+55) 41 3361 3141 > e-mail: [EMAIL PROTECTED] > http://www.est.ufpr.br/~paulojus ______________________________________________ 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