Hi all culumns which are used for discrimination (in your case 3) are factor. If you want to change them to numeric you has to use
as.numeric(as.character(x[,3])) I believe it is in FAQ. HTH Petr Please use sensible subject. On 12 Sep 2006 at 14:49, Anders Eklund wrote: Date sent: Tue, 12 Sep 2006 14:49:18 +0200 (CEST) From: "Anders Eklund" <[EMAIL PROTECTED]> To: "[EMAIL PROTECTED]" <r-help@stat.math.ethz.ch> Subject: [R] (no subject) > Hi, > > I have a problem with aggregate. > > x <- aggregate(t1,list(t2,t3,t4), mean) > > z<-x[,3] > > I want z to be a vector but it is a factor. > > I've tried to use as.vector(z,mode="numeric") but then the numbers get > scrambeled. > > Any help is appriciated > > /anders > > ______________________________________________ > 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. Petr Pikal [EMAIL PROTECTED] ______________________________________________ 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.