[Rd] setClass question
Roger Koenker
roger at ysidro.econ.uiuc.edu
Tue Aug 26 13:01:46 MEST 2003
> Roger Koenker wrote:
> > My understanding is that if I now try to construct a matrix.diag.csr
> > object checking of it should be like the checking for a matrix.csr object
On Tue, 26 Aug 2003, John Chambers wrote:
> Well, hopefully. But there seems a slight problem in the validity
> method.
>
> You require a dimension slot of length 2, but the default object
> generated from matrix.csr fails that:
John's comment revealed a couple of problems with my default matrix.csr
object, which -- once corrected -- allowed the validity checking for
the new class to operate just as I had originally expected. The moral
of the story is that checking the validity of the default object with
new("classname")
is quite worthwhile...thanks again to John,
Roger
url: www.econ.uiuc.edu/~roger/my.html Roger Koenker
email rkoenker at uiuc.edu Department of Economics
vox: 217-333-4558 University of Illinois
fax: 217-244-6678 Champaign, IL 61820
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