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https://issues.apache.org/jira/browse/SOLR-11943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16608618#comment-16608618
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ASF subversion and git services commented on SOLR-11943:
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Commit ba1f6c804d7f6b7fcaf67f72f1350173661986f5 in lucene-solr's branch
refs/heads/branch_7x from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=ba1f6c8 ]
SOLR-11943: Fix RefGuide for latlonVectors and haversineMeters functions.
> Add machine learning functions for location data
> ------------------------------------------------
>
> Key: SOLR-11943
> URL: https://issues.apache.org/jira/browse/SOLR-11943
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Major
> Fix For: master (8.0), 7.5
>
> Attachments: SOLR-11943.patch
>
>
> This ticket will add the following functions / features:
> 1) *latlonVectors* function: Reads a list of tuples that contain a *location*
> field type of lat, lon pairs and returns a *matrix* of lat,lon vectors.
> 2) Add support for *haversinMeters* distance measure.
> With the addition of these two functions we'll have the ability to do various
> distance based machine learning algorithms (distance matrices, clustering,
> knn regression etc...) with location data.
>
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