On Aug 25, 2012, at 4:23 AM, Sepp Tannhuber <sepp.tannhu...@yahoo.de> wrote:
> Hi, > > thanks for your quick answers! These solve my problem. > > Now I have another question. I think I can use > head(y, -1) > instead of > y[-length(y)] > > Are there differences in terms of performance? The latter is marginally more efficient. Take a look at head.matrix() Cheers, Michael > > Best regards > Joseph > > ______________________________________________ > R-help@r-project.org 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. ______________________________________________ R-help@r-project.org 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.
