Quoting "PIKAL Petr" <petr.pi...@precheza.cz>:
diff(c(0,which(1:10 %in% c(3, 5, 6, 10)))) [1] 3 2 1 4
That solves the problem! Thanks. ______________________________________________ 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.