G'day all,

On Sun, 13 Jul 2008 15:55:38 +0100 (BST)
(Ted Harding) <[EMAIL PROTECTED]> wrote:

> On 13-Jul-08 13:29:13, Frank E Harrell Jr wrote:
> > [...]
> > A large P-value means nothing more than needing more data.  No 
> > conclusion is possible.  

I would have thought that "we need more data" would qualify as a
conclusion. :)

> > Please read the classic paper Absence of Evidence is not Evidence
> > for Absence.
> 
> Is that ironic, Frank, or is there really a "classic paper" with
> that title? If so, I'd be pleased to have a reference to it!

Of course, I do not know for sure which paper Frank has in mind, but
google and google schoar readily come up with papers/editorials that
have a nearly identical title:

http://www.bmj.com/cgi/content/full/311/7003/485
http://bmj.bmjjournals.com/cgi/content/full/328/7438/476
(see also
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=351831)
http://www.ncbi.nlm.nih.gov/pubmed/6829975

My money is on Frank having the first of these publications in mind.

Cheers,

        Berwin

=========================== Full address =============================
Berwin A Turlach                            Tel.: +65 6516 4416 (secr)
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National University of Singapore     
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