Just for the sake of completeness, I raised a closely related issue back in 2010 which my students discovered.
https://stat.ethz.ch/pipermail/r-help/2010-March/231788.html Bryan On Sep 4, 2014, at 11:17 AM, Michael Haupt <michael.ha...@oracle.com> wrote: > Hello, > > I'm a bit puzzled by what looks (to me) like a discrepancy between > documentation and implementation. > > The documentation for [] says this about the indices: "Numeric values are > coerced to integer as by as.integer (and hence truncated towards zero)." > >> as.integer(-3.1) > [1] -3 > > Good. But: > >> x <- c(1,2,3) >> x[-3.1] > [1] 1 2 3 > > Given the documentation, I'd have expected a result of "[1] 1 2", because > -3.1 should be coerced to -3 (by virtue of as.integer). > > What bit do I not get? (I'm using R 3.1.1, if that matters.) > > Best, > > Michael > > -- > Dr. Michael Haupt > Principal Member of Technical Staff > Phone: +49 331 200 7277, Fax: +49 331 200 7561 > Oracle Labs > Oracle Deutschland B.V. & Co. KG, Schiffbauergasse 14, 14467 Potsdam, Germany > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
