https://cran.r-project.org/package=index0
On Sun, Apr 21, 2024, 3:56 AM Hans W <hwborch...@gmail.com> wrote: > As we all know, in R indices for vectors start with 1, i.e, x[0] is not a > correct expression. Some algorithms, e.g. in graph theory or combinatorics, > are much easier to formulate and code if 0 is an allowed index pointing to > the first element of the vector. > > Some programming languages, for instance Julia (where the index for normal > vectors also starts with 1), provide libraries/packages that allow the user > to define an index range for its vectors, say 0:9 or 10:20 or even negative > indices. > > Of course, this notation would only be feasible for certain specially > defined vectors. Is there a library that provides this functionality? > Or is there a simple trick to do this in R? The expression 'x[0]' must > be possible, does this mean the syntax of R has to be twisted somehow? > > Thanks, Hans W. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.