From ripley@stats.ox.ac.uk  Sat May 11 07:28:56 2002
From: ripley@stats.ox.ac.uk (ripley@stats.ox.ac.uk)
Date: Sat, 11 May 2002 08:28:56 +0200 (MET DST)
Subject: [Rd] vector(NA, 3) (PR#1541)
Message-ID: <200205110628.IAA29669@pubhealth.ku.dk>

On Sat, 11 May 2002 pgilbert@bank-banque-canada.ca wrote:

> I don't seem to be able to initialize a vector of NAs. I hope this is a
> bug and not a new feature (I realize I have not paid much attention to a
> lot of recent discussion about NA):

It's an incorrect use!

>From the help page:

    mode: A character string giving an atomic mode, or `"any"'.

I think you meant rep(NA, 3).


>
> platform sparc-sun-solaris2.6
> arch     sparc
> os       solaris2.6
> system   sparc, solaris2.6
> status
> major    1
> minor    5.0
> year     2002
> month    04
> day      29
> language R
> >
> > vector(NA, 3)
> Error in vector(NA, 3) : vector: cannot make a vector of mode "NA".
> > matrix(NA,2,2)
>      [,1] [,2]
> [1,]   NA   NA
> [2,]   NA   NA

> Paul Gilbert
>
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-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595


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[Rd] vector(NA, 3) (PR#1541)
ripley@stats.ox.ac.uk