Hey Rui, Perfect! Thanks!! :)
Nico 2012/10/8 Rui Barradas <ruipbarra...@sapo.pt>: > Hello, > > See ?rle > > Hope this helps, > > Rui Barradas > Em 08-10-2012 13:55, Mike Spam escreveu: >> >> Hi, >> >> just a simple question. >> Assumed i have a vector, >> >> FALSE TRUE TRUE TRUE FALSE TRUE FALSE TRUE FALSE >> or >> NA 1 1 1 NA 1 NA 1 NA >> >> what i need is the position where an element is the same - three (or >> in general multiple) times in a row. >> >> in this case: i want to get the position where it is TRUE TRUE TRUE or 1 1 >> 1 >> it doesn't matter if it is the first, middle or last element. So the >> output could be 2 or 3 or 4 >> >> My idea would be to lag the vector and calc differences... but i would >> prefer any build in (or time saving) function. :) >> >> thanks, >> >> Nico >> >> ______________________________________________ >> 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. > > ______________________________________________ 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.