From dmurdoch at pair.com  Fri May  9 14:05:54 2003
From: dmurdoch at pair.com (dmurdoch@pair.com)
Date: Fri May  9 13:06:26 2003
Subject: [Rd] Re: [R] windows data editor changes dimensions displayed data
	frames (PR#2962)
Message-ID: <200305091105.h49B5s2b028012@pubhealth.ku.dk>

On Fri, 09 May 2003 11:34:08 +0300, Bernd Ebersberger
<bernd.ebersberger@vtt.fi> wrote:

>dear R-tists,
>
>i am experiencing a problem with the data editor in the windows version of 
>R 1.6.1 envoked with the command 'fix'.
>
>the data editor changes the size of large data frames.

I can confirm this in the current R-patched.  I'll take a look.  It
might be that some limitation to the code means you won't be able to
edit big data frames (it looks like somewhere it's using a 16 bit row
count), but it certainly shouldn't silently change things.

Duncan Murdoch

>a simple example illustrates this:
>
>-------------------------------------------------------
>
> > dfrm <- data.frame(no=c(1:100000))
> > length(dfrm[,1])
>
>[1] 100000
>
> > fix(dfrm)
>
> > length(dfrm[,1])
>
>[1] 34464
>
>--------------------------------------------------------
>
>
>does anybody have a quick remedy for this?
>
>i am not sure whether it is worth putting much developmental effort in 
>solving this particular problem.
>
>however, i believe that one should be aware of it when working with large 
>data sets.
>
>
>greetings from the northern edge of europe.
>
>bernd.


[Rd] Re: [R] windows data editor changes dimensions displayed data frames (PR#2962)
dmurdoch@pair.com