[R] Finding Equal Elements in Vectors

[Spencer Graves]

      It depends on what you mean by that.  Consider the following two 
examples: 

 > sum((1:5)==(5:1))
[1] 1
 >
 > sum((2:1) %in%(1:6))
[1] 2
 >

      Does one of these solve your problem? 
      spencer graves

Sven C. Koehler wrote:

>Hello!
>
>I have two vectors and want to know how many of their elements are equal - 
>what's the best way to do this in R?  
>
>Best regards,
>
>Sven
>
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