Dear list,
Subsetting vectors/arrays using factors can be seen as misleading, and
I was thinking that it could be discouraged (at least by issuing a
warning).
I could not find whether this was discussed earlier, but I can be
pointed to a reference if I missed any.
The "extract" operator "[" can t
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> "BAT" == Berwin A Turlach <[EMAIL PROTECTED]>
> on Wed, 12 Mar 2008 01:23:10 +0800 writes:
BAT> G'day Martin, On Tue, 11 Mar 2008 18:07:35 +0100 Martin
BAT> Maechler <[EMAIL PROTECTED]> wrote:
>> > "BAT" == Berwin A Turlach <[EMAIL PROTECTED]> >
>> on Tue, 11
You seem to be assuming that the C++ code is correct and the compiler is
wrong. It seems very much more plausible that the reverse is true.
Gcc3 was notoriously loose in its standards conformance in C++ and
Fortran. Gcc4 is better, but g++4 still allows at least 10 packages on
CRAN to compile