[R] R command to compare two vectors?

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


> 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

> -----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]]

More information about the R-help mailing list