From R-bugs@biostat.ku.dk  Tue Feb 16 14:11:43 1999
From: R-bugs@biostat.ku.dk (Peter Dalgaard)
Date: Tue, 16 Feb 1999 15:11:43 +0100
Subject: lists (PR#88)
Message-ID: <199902161411.PAA21293@biostat.ku.dk>

> > 
>> > mode(c(23,42))
>> > is.vector(c(23,42),mode="numeric")
>> > is.vector(c(23,42),mode=c("integer","double","logical"))
>> 
>> Not sure I understand the problem:
> 
> 
> What I had in mind was that it would give TRUE if any of the vector
> had any of these modes i.e. some way of checking several modes at the
> same time without calling is.vector several times. I am looking for
> vectors upon which I can do calculations, as in those given. In
> retrospective, the example is poor. More logically, it should either
> use any() or ||.

I believe this is not a bug. You can get the effect you want fairly easily with

either 

any(sapply(modes,function(y)is.vector(x,mode=y)))

or

any(mode(x) == modes) # or storage.mode to distinguish double/integer

Moving report to "trashcan" (it can be picked up again, don't worry.)
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lists (PR#88)
Peter Dalgaard