k <- c(NA, NA) z <- c(-12, -9) e <- c(-2,0) sum(na.omit(c(z, e, k)))
Will this do the trick? Why are you summing in a sum() sum(k+z+e) On Mon, Mar 22, 2010 at 8:51 PM, tj <girlm...@yahoo.com> wrote: > > Hi all, > May I request for your help if you have time and if you have an idea on how > to do this. I want to add three vectors... And my goal is to obtain the sum > of the vectors, ignoring the vector of "na"... > > Here is what i did in R.. I'm adding the three vectors, e,z,k, and my > objective is to get an answer = -23. > I tried putting the na.omit but it did not work. Thanks. > >> z > [1] -12 -9 >> e > [1] -2 0 >> k > [1] NA NA >> sum(z+e+k) > [1] NA >> > > -- > View this message in context: > http://n4.nabble.com/Summing-with-NA-tp1678564p1678564.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- Stephen Sefick Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis ______________________________________________ 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.
