You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2016/10/28 13:05:58 UTC

[jira] [Commented] (LUCENE-7524) More detailed explanation of idf

    [ https://issues.apache.org/jira/browse/LUCENE-7524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15615338#comment-15615338 ] 

Michael McCandless commented on LUCENE-7524:
--------------------------------------------

+1

> More detailed explanation of idf
> --------------------------------
>
>                 Key: LUCENE-7524
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7524
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-7524.patch
>
>
> The explanations of idf give the docCount and docFreq, but they do not say how the idf is computed even though the formula is different eg. for ClassicSimilarity and BM25Similarity. Maybe it would help to put the formula in the explanations?



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
For additional commands, e-mail: dev-help@lucene.apache.org