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https://issues.apache.org/jira/browse/SPARK-19395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Felix Cheung resolved SPARK-19395.
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Resolution: Fixed
Assignee: Wayne Zhang
Fix Version/s: 2.2.0
Target Version/s: 2.2.0
> Convert coefficients in summary to matrix
> -----------------------------------------
>
> Key: SPARK-19395
> URL: https://issues.apache.org/jira/browse/SPARK-19395
> Project: Spark
> Issue Type: Bug
> Components: SparkR
> Reporter: Wayne Zhang
> Assignee: Wayne Zhang
> Fix For: 2.2.0
>
>
> The coefficients component in model summary should be 'matrix' but the
> underlying structure is indeed list. This affects several models except for
> 'AFTSurvivalRegressionModel' which has the correct implementation. The fix is
> to first unlist the coefficients returned from the callJMethod before
> converting to matrix.
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