[R] R command to compare two vectors?

Greg Snow Greg.Snow at imail.org
Thu Feb 5 00:56:48 CET 2009


Try:

> b_tmp %in% a_tmp

You may also want to use the all or any function with the above.

Hope this helps,

-- 
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Jason Rupert
> Sent: Wednesday, February 04, 2009 4:50 PM
> To: R-help at r-project.org
> Subject: [R] R command to compare two vectors?
> 
> By any chance is there an R command to compare two vectors?
> 
> For example,
> a_tmp<-c("a", "b", "c", "d", "e", "f", "g", 'h')
> b_tmp<-c("a", "c", "e", "g")
> 
> I would like to compare b_tmp against a_tmp to determine if the members
> of b_tmp are part of a_tmp.
> 
> I tried
>  subset(b_tmp, b_tmp==a_tmp)
> 
> That doesn't seem to work.
> 
> Thanks again.
> 
> 
> 
> 	[[alternative HTML version deleted]]




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