It's an error in your usage The args of new() are
args(new)
function (Class, ...)
and what does 'C' match? You need to name your arguments here.
On Mon, 17 Apr 2006, Paul Gilbert wrote:
"C" appears to be an illegal name for a slot in an S4 class (example
below).
It is rather an example of something which does not work.
foo <- new("testobj")
[EMAIL PROTECTED] <- 2
does, for example.
If this is a known limitation, and not a bug, it would be nice
if it were caught by setClass.
Paul Gilbert
> setClass("testobj", representation ( C = "numeric"))
[1] "testobj"
> new("testobj", C= 2)
Error in methodsPackageMetaName("C", name) :
'The name of the object (e.g,. a class or generic function) to
find in the meta-data' must be a single string (got an object of class
"numeric")
> setClass("testobj", representation ( C. = "numeric"))
[1] "testobj"
> new("testobj", C.= 2)
An object of class "testobj"
Slot "C.":
[1] 2
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La version française suit le texte anglais.
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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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Oxford OX1 3TG, UK Fax: +44 1865 272595
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