You can try this also: rep(NA_integer_, 10)
On Thu, Nov 26, 2009 at 2:03 PM, Rob Steele <freenx.10.robste...@xoxy.net> wrote: > These are the ways that occur to me. > > ## This produces a logical vector, which will get converted to a numeric > ## vector the first time a number is assigned to it. That seems > ## wasteful. > x <- rep(NA, n) > > ## This does the conversion ahead of time but it's still creating a > ## logical vector first, which seems wasteful. > x <- as.numeric(rep(NA, n)) > > ## This avoids type conversion but still involves two assignments for > ## each element in the vector. > x <- numeric(n) > x[] <- NA > > ## This seems reasonable. > x <- rep(as.numeric(NA), n) > > Comments? > > Thanks, > Rob > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
