On Sat, Feb 18, 2012 at 01:51:01AM +0000, Benilton Carvalho wrote: > Hi everyone, > > For reasons beyond the scope of this message, I'd like to append a > NULL element to the end of a list. > > tmp0 <- list(a=1, b=NULL, c=3) > append(tmp0, c(d=4)) ## works as expected > append(tmp0, c(d=NULL)) ## list with a/b/c only
Hi. Besides the other solutions in this thread, the following also works. append(tmp0, list(d=NULL)) $a [1] 1 $b NULL $c [1] 3 $d NULL Petr Savicky. ______________________________________________ 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.
