Try this: vector[ setdiff(seq_along(vector), as.numeric(idx)) ]
where idx is your vector of indices to exclude, e.g. idx <- 3:4 idx <- numeric(0) idx <- NULL The last one gets converted to numeric(0) by as.numeric so it still works. On Thu, Sep 25, 2008 at 7:43 AM, Stefan Fritsch <[EMAIL PROTECTED]> wrote: > Dear R Users, > > I want to exclude elements in a vector by: > > vector[-exclude] > > is it intended to cause an error if no elements are excluded? > >> vector <- 1:10 >> exclude <- NULL >> vector[-exclude] > Error in -exclude > > or am I just definig exclude wrong, if no elements should be excluded? > > with kind regards, > > Stefan Fritsch > > ______________________________________________ > 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.
