[R] Equality of Vectors

[Derek Ogle]

Patrick,

See all().  For example,

> all(c(1,2,3)==c(1,2,3))
[1] TRUE
> all(c(1,2,3)==c(2,1,3))
[1] FALSE


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Downey, Patrick
> Sent: Friday, August 13, 2010 1:49 PM
> To: r-help at r-project.org
> Subject: [R] Equality of Vectors
> 
> Hello,
> 
> Is there a way to get a single TRUE or FALSE statement from comparing
> two
> vectors? For example,
> c(1,2,3) == c(1,2,3)
> produces
> TRUE TRUE TRUE
> 
> where I would like it to produce only
> TRUE
> for use in an if statement.
> 
> Likewise, when two vectors are not exactly identical (in all elements)
> I
> would like a single FALSE result, as opposed to
> c(1,2,3) == c(1,2,5)
> TRUE TRUE FALSE
> 
> Any ideas?
> 
> Thanks,
> Mitch
> 
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