From h.wickham at gmail.com  Tue Nov 11 20:21:29 2008
From: h.wickham at gmail.com (hadley wickham)
Date: Tue, 11 Nov 2008 13:21:29 -0600
Subject: [Rd] is.matrix
In-Reply-To: <4919D240.4040904@acm.org>
References: <d8858f220811111020j233d4d98j502c0079ace644e7@mail.gmail.com>
	<4919D240.4040904@acm.org>
Message-ID: <f8e6ff050811111121u62cc1329s605ca0dcd521dfb2@mail.gmail.com>

> |  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

-- 
http://had.co.nz/



[Rd] is.matrix
hadley wickham