From p.dalgaard at biostat.ku.dk  Tue Nov 11 20:33:27 2008
From: p.dalgaard at biostat.ku.dk (Peter Dalgaard)
Date: Tue, 11 Nov 2008 20:33:27 +0100
Subject: [Rd] is.matrix
In-Reply-To: <f8e6ff050811111121u62cc1329s605ca0dcd521dfb2@mail.gmail.com>
References: <d8858f220811111020j233d4d98j502c0079ace644e7@mail.gmail.com>	<4919D240.4040904@acm.org>
	<f8e6ff050811111121u62cc1329s605ca0dcd521dfb2@mail.gmail.com>
Message-ID: <4919DE07.40106@biostat.ku.dk>

hadley wickham wrote:
>> |  is.matrix| returns |TRUE| if |x| is a matrix and has a |dim <dim.html>|
>> attribute of length 2) and |FALSE| otherwise
> 
> That's confusing!  In what situations is x a matrix but does not have
> a dim attribute?
> 
> Hadley
> 

Yes, I suspect a typo there.

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[Rd] is.matrix
Peter Dalgaard