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https://issues.apache.org/jira/browse/NIFI-7516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17326341#comment-17326341
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Denes Arvay commented on NIFI-7516:
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[~mattyb149], I bumped into this issue recently and it seems it's been merged
but the ticket hasn't been closed. Could you please mark this as resolved?
Thanks.
> Predictions model throws intermittent SingularMatrixExceptions
> --------------------------------------------------------------
>
> Key: NIFI-7516
> URL: https://issues.apache.org/jira/browse/NIFI-7516
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Under some circumstances, the Connection Status Analytics model (specifically
> the Ordinary Least Squares model) throws a SingularMatrix exception:
> org.apache.commons.math3.linear.SingularMatrixException: matrix is singular
> This can happen (usually intermittently) when the data points used to update
> the model form a matrix that has no inverse (i.e. singular).
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