Hi, For example:
> which(complete.cases(test)) [1] 1 3 4 6 Probably a more elegant way exists. Regards, Pascal 2013/5/17 jpm miao <[email protected]> > Hi, > > I have a sequence whose 1st, 3rd, 4th, 6th are non-NAs. How could I let R > return 1,3,4,6, the indices? > > I know only how to find the non-NA elements. Thanks, > > Miao > > > test<-c(2,NA,6,8,NA,12) > > test[is.na(test)==FALSE] > [1] 2 6 8 12 > > [[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. > [[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.

