Here is how to find out which rows contain -9 and then you can do with it as you please:
> x v1 v2 v3 v4 v5 1 1 2 3 3 6 2 5 2 4 2 0 3 2 -9 5 4 3 4 6 2 1 3 4 > which(apply(x, 1, function(.row) any(.row == -9))) [1] 3 > > On Sun, Nov 8, 2009 at 10:23 AM, Ashta <sewa...@gmail.com> wrote: > HI R-Users > > Assume that I have a data frame 'temp' with several variables > (v1,v2,v3,v4,v5.). > > v1 v2 v3 v4 v5 > 1 2 3 3 6 > 5 2 4 2 0 > 2 -9 5 4 3 > 6 2 1 3 4 > > 1, I want to look at the entire row values of when v2 =-9 > like > 2 -9 5 4 3 > > I wrote > K<- list(if(temp$v2)==-9)) > > I wrote the like this but it gave me which is not correct. > False false false false false > > 2. I want assign that values as missing if v2 = -9. (ie., I want > exclude from the analysis > > How do I do it in R? > > Thanks in advance > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.