[R] intersect more than two sets

Weiwei Shi helprhelp at gmail.com
Tue Apr 24 20:59:05 CEST 2007


assume t2 is a list of size 11 and each element is a vector of characters.

the following codes can get what I wanted but I assume there might be
a one-line code for that:

t3 <- t2[[1]]
for ( i in 2:11){
	t3 <- intersect(t2[[i]], t3)
}

or there is no such "apply"?

On 4/24/07, Weiwei Shi <helprhelp at gmail.com> wrote:
> Hi,
> I searched the archives and did not find a good solution to that.
>
> assume I have 10 sets and I want to have the common character elements of them.
>
> how could i do that?
>
> --
> Weiwei Shi, Ph.D
> Research Scientist
> GeneGO, Inc.
>
> "Did you always know?"
> "No, I did not. But I believed..."
> ---Matrix III
>


-- 
Weiwei Shi, Ph.D
Research Scientist
GeneGO, Inc.

"Did you always know?"
"No, I did not. But I believed..."
---Matrix III



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