On Mon, Mar 12, 2012 at 09:14:43AM -0700, behave14 wrote: > Dear community > > I have the following problem. I'd like to have the maximum of the remaining > elements of a vector. > > ex. > x<-c(1,2,3,4,1,2,3,1,2,1) > > f(x) = c(4,4,4,4,3,3,3,2,2,1) > > where the first element is: max(x[1:length(x]) > the second one: max(x[2:length(x)]) > the third one: max(x[3:length(x)]) and so on
Hi. Try this. rev(cummax(rev(x))) [1] 4 4 4 4 3 3 3 2 2 1 Hope this helps. Petr Savicky. ______________________________________________ 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.
