Discription about explain api


(Navneet Mathpal) #1

hi ,

I want to know about follwing things about the explain api,

description: score(doc=0,freq=1.0 = termFreq=1.0 ) what does mean of
freq=0 and docs=0

description: idf(docFreq=1, maxDocs=1) value: 2.304384 what is the
docFreq and how it calculated and what is the maxdocs and how does it
calculated.

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(Alexander Reelsen) #2

Hey,

the description about tf/idf similarity in the lucene javadocs might help
here:
https://lucene.apache.org/core/4_0_0/core/org/apache/lucene/search/similarities/TFIDFSimilarity.html

--Alex

On Tue, Feb 11, 2014 at 11:51 AM, Navneet Mathpal <
navneetmathpal93@gmail.com> wrote:

hi ,

I want to know about follwing things about the explain api,

description: score(doc=0,freq=1.0 = termFreq=1.0 ) what does mean of
freq=0 and docs=0

description: idf(docFreq=1, maxDocs=1) value: 2.304384 what is the
docFreq and how it calculated and what is the maxdocs and how does it
calculated.

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"elasticsearch" group.
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(system) #3