From ripley@stats.ox.ac.uk  Thu Jan  3 16:48:34 2002
From: ripley@stats.ox.ac.uk (ripley@stats.ox.ac.uk)
Date: Thu, 3 Jan 2002 17:48:34 +0100 (MET)
Subject: [Rd] type.convert() (PR#1236)
Message-ID: <200201031648.RAA27416@pubhealth.ku.dk>

Oh, do check the R-bugs database first!  This was solved in R-patched
before the first report ...

>From NEWS:

    o   type.convert() could give stack imbalance warnings if used
        with as.is = TRUE.

Actually, it works perfectly, so it's not a serious bug, especially as
using type.convert(letters[1:2],as.is=T) is a waste of time (yours in
that case).


On Thu, 3 Jan 2002 dxsun@bell-labs.com wrote:

> Full_Name: Don Sun
> Version: 1.4.0
> OS: Red Hat Linux release 6.2
> Submission from: (NULL) (204.178.20.14)
>
>
> > type.convert(letters[1:2],as.is=T)
> stack imbalance in internal type.convert, 7 then 6stack imbalance in .Internal,
> 6 then 5
> [1] "a" "b"
> Error: unprotect(): stack imbalance
>
> > version
>          _
> platform i686-pc-linux-gnu
> arch     i686
> os       linux-gnu
> system   i686, linux-gnu
> status
> major    1
> minor    4.0
> year     2001
> month    12
> day      19
> language R
>
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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] type.convert() (PR#1236)
ripley@stats.ox.ac.uk