Re: [R] Extracting non-matching elements of one vector from another

On 31/12/2016 1:36 PM, Dan Abner wrote: Hi all, I have 2 vectors and need to extract only the elements from v2 that do not appear in v1. What is the most efficient way to do this? In the example below, I need to extract "var1". v1<-"b0" v2<-c("b0","var1") setdiff(v2, v1) Duncan Murdoch ___

Re: [R] Extracting non-matching elements of one vector from another

?setdiff ## It's a wrapper for ?match setdiff(v2,v1) You should go through an R tutorial or two to learn about such handy basic functionality. -- Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathe

[R] Extracting non-matching elements of one vector from another

Hi all, I have 2 vectors and need to extract only the elements from v2 that do not appear in v1. What is the most efficient way to do this? In the example below, I need to extract "var1". v1<-"b0" v2<-c("b0","var1") Thanks, Dan [[alternative HTML version deleted]] ___