On 9/22/23 16:55, Hervé Pagès wrote:
> The problem is that you have things that are **semantically**
> different but look exactly the same:
>
> They look the same:
>
> > x
> [1] NA
> > y
> [1] NA
> > z
> [1] NA
>
> > is.na(x)
> [1] TRUE
> > is.na(y)
> [1] TRUE
> > is.na(z)
> [1] TRUE
>
> > str(x)
> cplx NA
> > str(y)
> num NA
>
oops, that was supposed to be:
> str(y)
cplx NA
but somehow I managed to copy/paste the wrong thing, sorry.
H.
--
Hervé Pagès
Bioconductor Core Team
hpages.on.git...@gmail.com
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