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https://issues.apache.org/jira/browse/SOLR-11589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250702#comment-16250702
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Joel Bernstein commented on SOLR-11589:
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Now that we've got covariance and correlation matrices committed it's time to
get this ticket going. The goal is to support PCA for Solr 7.2.
> Add eigenDecomposition Stream Evaluator to support eigen decomposition
> ----------------------------------------------------------------------
>
> Key: SOLR-11589
> URL: https://issues.apache.org/jira/browse/SOLR-11589
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Fix For: 7.2
>
>
> This ticket adds eigen decomposition support to the Stream Expression machine
> learning library.
> https://en.wikipedia.org/wiki/Eigendecomposition_of_a_matrix
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