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https://issues.apache.org/jira/browse/LUCENE-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer updated LUCENE-4813:
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Attachment: LUCENE-4813.patch
next iteration making the new statistic optional and experts can just pass them
in if they want. This patch is bw compatible runtime wise while it breaks some
apis since I change floats to double but I think that is a fair game here. I
think its close / ready
> Allow DirectSpellchecker to use totalTermFrequency rather than docFrequency
> ---------------------------------------------------------------------------
>
> Key: LUCENE-4813
> URL: https://issues.apache.org/jira/browse/LUCENE-4813
> Project: Lucene - Core
> Issue Type: Bug
> Components: modules/spellchecker
> Affects Versions: 4.1
> Reporter: Simon Willnauer
> Fix For: 4.2, 5.0
>
> Attachments: LUCENE-4813.patch, LUCENE-4813.patch
>
>
> we have a bunch of new statistics in on our term dictionaries that we should
> make use of where it makes sense. For DirectSpellChecker totalTermFreq and
> sumTotalTermFreq might be better suited for spell correction on top of a
> fulltext index than docFreq and maxDoc
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