Hi Nick, Does length(dim(X)) help by getting the current dimensions of the array before you pass the vectors of indices?
Jim On Sat, May 30, 2015 at 8:29 PM, WRAY NICHOLAS <nicholas.w...@ntlworld.com> wrote: > Hello folks > > Supposing I have a multidimensional array in an R prog, say a 4D array. > > I want the coordinate quantities to be read off from a vector. The values > in the vector (vec) are generated by a function. > > This is easy if the number of dimensions is fixed for both the array and > the number of elements in the vector (say 4): > > X<-array[vec[1],vec[2],vec[3],vec[4]] > > But if the number of dimensions of the array is not fixed and can change > during the course of the prog I am stuck as to how to do this, as I don’t > know a way of feeding a vector or list of unspecified beforehand length > into the coordinates for an array > > I can’t find anything useful about this on the net > > Does anyone have any ideas? > Thanks, Nick > > [[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. ______________________________________________ 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.
