[R] an operator for "contains"

[Spencer Graves]

	  Does '?"%in%"' or '?match' meet your needs?

	  spencer graves

Mike R wrote:

> k = c(1:9)
> if( length( which(k==3) ) ){ print("contained") }else{ print("not contained") }
> 
> is therre a simple way to test if a vector/list contains a particular value?
> 
> for example an operator, along the lines of: ==
> 
> more generally, is the a documentaion page that lists/describes all
> such operators?
> 
> lastly, if you didn't know the answer to my question, how would you have
> gone about searching for an answer?  I tried RSiteSearch() using various
> terms, and I opened  R-2.1.0/library/base/html/00Index.html and searched
> for various terms.
> 
> TIA
> 
> ======================
> platform i686-pc-linux-gnu
> arch     i686             
> os       linux-gnu        
> system   i686, linux-gnu  
> status                    
> major    2                
> minor    1.0              
> year     2005             
> month    04               
> day      18               
> language R
> 
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