@sarah, it's true , but I need a boolean vector.
@berend good idea @David, yes %in% work fine but I need > < <= and >= @bill yes, it could be a solution, but i prefer a "simple" operator.. so i will build one. thank you all 2012/10/30 Sarah Goslee <sarah.gos...@gmail.com> > Here's one option: > > vec<-c(3,4,5,NA,1,NA,9,NA,1) > > subset(vec, vec > 2) > [1] 3 4 5 9 > > subset(vec, vec == 1) > [1] 1 1 > > Sarah > > On Tue, Oct 30, 2012 at 5:08 PM, vincent guyader > <vincent.guya...@gmail.com> wrote: > > Hi everyone, > > > > i'm looking for a "NA-friendly" operator > > > > I explain : > > > > vec<-c(3,4,5,NA,1,NA,9,NA,1) > > > > vec[vec == 1] # NA 1 NA NA 1 > > > > I dont want the NA's : > > vec[vec == 1 & ! is.na(vec)]# 1 1 > > is the same as > > vec[vec %in% 1] # 1 1 > > > > %in% is NA-friendly :) > > > > But if i want >2 without the NA's : > > > > vec[vec>2] #3 4 5 NA NA 9 NA > > > > if i dont want the NA i have to do : > > > > vec[vec>2 & !is.na(vec)] #3 4 5 9 > > > > is there an opérator to directly do that? > > > > any idea? > > > > thx a lot. > > > > > -- > Sarah Goslee > http://www.functionaldiversity.org > [[alternative HTML version deleted]]
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