Thanks, Bill. Searching R-devel based on your input shows that this is
a known issue as pointed out by Martin Maechler:
https://stat.ethz.ch/pipermail/r-devel/2008-October/051109.html
- Tom
On Sun, Apr 12, 2009 at 11:34 PM, William Dunlap wrote:
>
> It may have to do with the results of is.ob
It may have to do with the results of is.object():
> is.object(1*structure(1,class="testClass"))
[1] FALSE
> is.object(structure(1,class="testClass")*1)
[1] TRUE
> is.object(structure(1,class="testClass"))
[1] TRUE
is.object(x) should be true if x has a class attribute,
but 1*structut
