Thanks, Henrique. It works. On Mon, Aug 29, 2011 at 6:45 PM, Henrique Dallazuanna <www...@gmail.com> wrote: > Try this: > as.list(colSums(merge(m, n, all = TRUE), na.rm = TRUE)) > > On Mon, Aug 29, 2011 at 7:39 PM, zhenjiang xu <zhenjiang...@gmail.com> > wrote: >> >> Hi R users, >> >> Suppose I have two lists and the names of list 'm' are a subset of those >> of >> 'n', how can I sum the two lists with corresponding elements added >> together >> to get list 'o'? >> >> > n = list("a"=1,"b"=3,"c"=5) >> > m = list('b'=4) >> > o >> $a >> [1] 1 >> >> $b >> [1] 7 >> >> $c >> [1] 5 >> >> Thanks >> >> -- >> Best, >> Zhenjiang >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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 >
-- Best, Zhenjiang ______________________________________________ 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.