I now understand the issue, which leads to a different and deeper issue which
is "how to
assign a proper length to Surv objects".
> Surv(c(1,2,3), c(1,0,1))
[1] 1 2+ 3
The above prints as 3 elements and is conceptually 3 elements. But if I give it
length
method to return a 3 then I need a names method, and names<- pays no attention
to my
defined length. How do we conceive of and manage a vector whose elements happen
to require
more than one storage slot for their representation? An obvious example is the
complex
type, but it seems that had to be baked right down into the core.
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