On Tue, 12 Feb 2008, Oleg Sklyar wrote:
> Dear developers:
>
> I have just came across an (unexpected to me) behaviour of lists when
> assigning NULLs to list elements. I understand that a NULL is a valid R
> object, thus assigning a NULL to a list element should yield exactly the
> same result as assigning any other object. So I was surprised when
> assigning a NULL in fact removed the element from the list. Is this an
> intended behaviour?
Yes.
> If so, does anybody know where is it documented and
> what is a good way around?
>
One place is FAQ 7.1
-thomas
Thomas Lumley Assoc. Professor, Biostatistics
[EMAIL PROTECTED] University of Washington, Seattle
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