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https://issues.apache.org/jira/browse/SPARK-1428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13962636#comment-13962636
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Sandeep Singh commented on SPARK-1428:
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this should work https://github.com/apache/spark/pull/356
> MLlib should convert non-float64 NumPy arrays to float64 instead of
> complaining
> -------------------------------------------------------------------------------
>
> Key: SPARK-1428
> URL: https://issues.apache.org/jira/browse/SPARK-1428
> Project: Spark
> Issue Type: Improvement
> Components: MLlib, PySpark
> Reporter: Matei Zaharia
> Priority: Minor
> Labels: Starter
>
> Pretty easy to fix, it would avoid spewing some scary task-failed errors. The
> place to fix this is _serialize_double_vector in _common.py.
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