x <- rep(NA, 200) For all cases I can think of, that is enough. If you MUST have a matrix with one column and two hundred rows, set:
dim(x) <- c(200,1) B. On Sep 17, 2015, at 9:40 AM, thanoon younis <[email protected]> wrote: > Dear all users > > I want to write a vector with one column and just NA values and nrow=200 > when i write X=numeric(NA) is not correct how can i do this please? > > > Regards > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list -- To UNSUBSCRIBE and more, see > 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 -- To UNSUBSCRIBE and more, see 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.
