try this:
> x<-c(1,2,3)
> datalist<-list(c(1,2,3),c(2,3,4),c(3,4,5),c(4,5,6))
>
> result <- sapply(datalist, function(.vec){
+ all(.vec == x)
+ })
>
> result
[1] TRUE FALSE FALSE FALSE
>
On Sun, Feb 3, 2013 at 1:15 PM, <mtb...@gmail.com> wrote:
> Hello R-helpers,
>
> I have a vector
>
> x<-c(1,2,3)
>
> and a list that contains vectors
>
> datalist<-list(c(1,2,3),c(2,3,4),c(3,4,5),c(4,5,6))
>
> and I would like to identify those list elements that are identical to x.
>
> I tried
>
>> datalist %in% x
> [1] FALSE FALSE FALSE FALSE
>
> but I am obviously using %in% incorrectly. I also tried messing around with
> lapply but I can't figure out how to specify the function within lapply.
>
> I would appreciate any suggestions you may have.
>
> Many thanks!
>
> Mark Na
>
> [[alternative HTML version deleted]]
>
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--
Jim Holtman
Data Munger Guru
What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.
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