[Corpora-List] Are Lucene scores normally distributed?

Kevin B. Cohen kevin.cohen at gmail.com
Tue Dec 2 18:33:55 UTC 2008


On Tue, Dec 2, 2008 at 10:52 AM, Kevin B. Cohen <kevin.cohen at gmail.com> wrote:
> Are unnormalized Lucene scores normally distributed?  I will go out on
> a limb and say no.

Thinking about this, I realized that there's a lexical ambiguity in
this sentence.  When I say "unnormalized," I refer to the raw scores
before they are normalized to the range 0-1.  When I say "normally
distributed," I mean in the statistical sense.

Kev

-- 
K. B. Cohen
Biomedical Text Mining Group Lead, Center for Computational Pharmacology
and
Lead Artificial Intelligence Engineer, The MITRE Corporation, Human
Language Technology Division
303-916-2417 (cell) 303-377-9194 (home)
http://compbio.uchsc.edu/Hunter_lab/Cohen

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