On 16-11-2012, at 15:50, e-letter wrote: > Readers, > > If a vector consists of: > > 10 > 20 > 30 > > how to create a new vector based upon the results of calculations to > the elements, e.g. addition of successive elements, so that a new > vector would be: > > 30 > 50 > > i.e. 10+20, then 20+30, etc.?
Another way of doing this rowSums(embed(a,2)) Berend ______________________________________________ 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.
