Message-ID: <540581.49306.qm@web32806.mail.mud.yahoo.com>
Date: 2008-03-15T16:28:23Z
From: John Kane
Subject: empty array
In-Reply-To: <47DBEC4C.2050301@u-paris10.fr>
Will
mymatrix <- NULL do what you want?
--- Christophe Genolini <cgenolin at u-paris10.fr> wrote:
> Hi the list
>
> Is it possible to create an empty matrix ? I do not
> mean an matrix with
> a single value that is NA (which is not empty) but a
> real empty one,
> with length=0.
>
> I do not understand why we have length(numeric()),
> length(factor()) and
> length(character()) to zero, and length(array()) to
> one... Any rason for
> that ?
>
> Thanks
>
> Christophe
>
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