So the only workaround to make the large old code base to work is get
the old type.convert implementation and inject it.
That would be rather hard. Try R-patched (from tomorrow, say) instead.
Note that in well over a month of testing no one else has reported this.
On Wed, 30 Apr 2008, Dieter Menne wrote:
Prof Brian Ripley <ripley <at> stats.ox.ac.uk> writes:
It is nothing to do with RODBC, which follows read.table here:
% cat > foo.txt
x
+
-
...
read.table("foo.txt", header=TRUE)
x
1 0
2 0
and that uses
type.convert(c("+", "-"))
[1] 0 0
type.convert(c("+", "a"))
[1] + a
Levels: + a
Thank, Prof. Ripley, this makes sense as an explanation. So even
a = type.convert(c("+", "-"),as.is=TRUE)
str(a)
# num [1:2] 0 0
does not help, because "num" bites first. Since the docs say
"convert it it to logical, integer, numeric or complex"
I would have expected this to be integer, but that's only of academic interest.
So the only workaround to make the large old code base to work is get the old
type.convert implementation and inject it.
Dieter
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--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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