On Thu, 2006-06-01 at 11:06 -0400, Mu Tian wrote: > I want to get index number of 0s, like > > x <- c(1, 2, 0, 3, 0, 4) > > I want an output of > > 3, 5 > > Thank you.
See ?which > which(x == 0) [1] 3 5 HTH, Marc Schwartz ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html