rle Jim Holtman Data Munger Guru
What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. On Wed, Aug 6, 2014 at 10:12 PM, Johnnycz <[email protected]> wrote: > Hello,everybody, > I have a sequence,like > a<-c(1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1),how > to get the position of each first 1 and 0, that's to say, how to get > b<-c(1,6,16,23) for first 1 and d<-c(4,12,18) for first 0. > Many thanks! > Johnny > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] 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. ______________________________________________ [email protected] 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.
